Part 1 - Transformation:

"Oh my God! It's leaking!" shouted professor Stevenson.

"I've got to stop the fluid leaking it's too volatile!" he looked across to his Lab assistant Mary Fitzpatrick as he rushed to put on his radioactive protection suit.

"Professor, No! It's going to explode, look at the readings! We have to get out of here NOW!"

It was too late; their experiment had gone badly wrong. They were developing a new serum which when fully refined would be able to re-generate damaged skin tissue within seconds. They were experimenting with a combination of radioactive materials to change the molecular structure of their latest serum.

The professor had just put his suit on and reached the sealed door when the explosion hit him.

The blast was huge; it knocked the door off its hinges and burst through the protective screen. Mary had just turned to see the professor hit by the blast when she was thrown against the wall with a thump.

The door was blocked; the only way out was through the test lab where the vat of radioactive liquid was boiling.

"It's my only chance to get out! I have to try," she thought. She climbed a metal stair and surveyed the devastation in the chamber. The green liquid had blown everywhere; it was dripping over the walls and covered every surface she could see. A narrow beam was her only chance of escape; it ran directly over the vat containing the remains of the volatile fluid.

"I can do this," she thought. The beam was narrow and very slippery, but there was a hole in the wall opposite she could crawl through to get out. It was her only chance,

"It's a good job I was a junior gymnast and can balance on beams like this," she thought.

She had taken a few steps when another blast roared from the vat beneath her, splashing her legs and tunic.

Some sharp metal bars were blown into her path across the beam, to get to the other wall she had to climb round them to get across the room.

Bang! Another blast shook the room and rocked the beam under her feet. She lost her footing and slipped into the sharp metal rods tearing the front of her tunic as she fell forwards. The jagged edges of metal cut through her tunic and Tee Shirt and cut deep into her breasts. She felt the pain and tried to push the metal away and squeeze around it. The green substance was everywhere dripping over the metal under her feet.

Another explosion roared out and knocked her off balance, it was too late this time, her feet slipped off the beam and she fell straddling the hard metal like the saddle of a bicycle. She hit the beam with her full bodyweight, and the sharp metal cut into the tender skin of her groin and genital area. She screamed in pain and fell forwards, the now loosened beam rocking under her weight tipped her forwards to crash against the wall also dripping with the contaminated green ooze.

She lost consciousness and lay still pressing the front of her body against the wall. More fluid ran down the beam making her crotch wet with the warm green liquid which mingled with her blood and seeped into her slightly opened vagina.

Her torn breasts were pressed against the wall, which dripped with the chemical filling her Bra cups, mingling with her blood, seeping into her open wounds and being absorbed into her nipples, which were badly cut and bruised.

Minutes past, she lay motionless... more time passed and more of the chemical was absorbed by her body though her breasts and vagina as the green substance dripped down the walls and along the metal beam between her legs.

After an hour she opened her eyes, but the pain was still too intense, she passed out again.

Two days later she eyes opened." Where am I?" she whispered, her throat dry and sore. "What happened to me?" She looked around; she was in a hospital bed.

"I remember now... there was an explosion... " She thought. A wave of panic came over her as she looked at her hands and started to feel her body to check if she was still in one piece.

"Well everything seems to be in tact" she sighed with relief.

"Ah, you're awake I see" said the nurse, I'll call doctor Nash." She said and hurried down the corridor.

"How do you feel," said the doctor when he arrived with a puzzled expression on his face.

"I feel good, yes, I feel very good" said Mary with a wide smile.

"You've made a remarkable recovery," said the doctor. "I've never seen such rapid healing. What was that substance in the Lab? We've been unable to analyse it, you were covered in the stuff and your body was saturated in radiation then, suddenly, it all disappeared and you were totally clear. It's as if your body just absorbed it all. Quite remarkable!"

After a week of observation Mary went home feeling stronger and healthier than ever before.

She was sad at the loss of her friend and mentor Professor Stevenson; when he died his secret formula went with him,

"All those years of work... all gone" she thought. "Well, it's time for a change, I'm still young at 26 years old, I've got a good figure, maybe I should go back to modelling... No, I don't think so" she thought. Money was not a problem for her as she was from a very wealthy family and her job at the Lab paid very well.

It was a cold wet Tuesday two weeks later; she was on her way to meet her friend Amanda Neal the Supermodel for lunch when she stepped out of the Yellow Cab. She turned the corner and was suddenly grabbed from behind by a mugger while his friend stepped in front of her with a knife. "Give me your bag lady or we'll cut you up!" said one of the men.

In an instant rage Mary threw her arms up in the air and broke free from his hold, she spun round and landed a punch square on his jaw with a loud Crack! His head rolled back and he fell to the ground. The other man lunged at her with his knife, it was like slow motion to her, she grabbed his arm and spun him round to throw him effortlessly 15 feet down the alley.

She stood motionless, "Oh my god, how did I do that?" she thought. She turned to run to the restaurant when she heard a voice behind her, "You didn't oughta do that lady!" She turned back to the man only to see him swing a piece of wood the size of a Baseball Bat into her stomach!

She took the full force of it with a dull thud, she felt the impact but felt no real pain. The wood broke in two. He stood frozen looking at the fragment in his hands and the tall slim figure of a woman standing in front of him unharmed "Oh Fuck!" he shouted and ran away leaving his unconscious friend to fend for himself.

Mary quickly turned and ran to the restaurant, she had to tell her friend what had just happened. As she was running, her heart was pounding, her breasts were heaving under her blouse and her nipples felt very strange.

Her breasts felt tight in their bra cups, "How strange, I feel really odd" she thought.

She hurried into the ladies restroom. "Why do my breasts feel so tight?" She puzzled and stepped into a cubicle to see what was wrong with her.

She undid her blouse and saw her breasts bulging in her bra as if it was two sizes too small. "Where did you two ladies come from?" she whispered to the large firm breasts bulging out in front of her.

"I don't understand this," she thought and undid her bra to examine her now hard tingling nipples.

Her breasts were full and firm, her nipples seemed a lot larger than normal and stuck out like two pebbles.

"Oh my, what's happened to you two?", she whispered again to her unfamiliar tits. Her nipples were throbbing, but she felt so excited and strong.

She was confused, "I must tell Amanda about this," she thought as she dressed and joined her friend for lunch.

She tried to explain what happened to her friend Amanda, not expecting her to make any sense of the events.

"Mary, you must keep this a secret, let's talk more about this tonight", said Amanda thinking that if she's developed special powers, she may be able to persuade her to be a Super Heroine.

Later that evening Amanda Neal arrived at Mary's house to learn more and maybe put some of her friend's new found strength to the test.

"Mary, are you sure? If this goes wrong you could be badly hurt!"

No, I have to know, go on, hit me with it!" Mary replied with a grimace.

"Very well, but don't blame me." Amanda stood in front of Mary and threw a punch to her friend's stomach.

As Amanda Neal the Supermodel, the punch was delivered with the force of any other woman, but as Super Heroine 'White Lightning', a full blow would knock even the strongest man crashing into the wall. She needed to know if Mary was ready.

Mary stood solidly in front of her and concentrated on her nipples, to make them harden and feel strong. They responded; the punch simply glanced off her tight firm stomach with ease.

"Is that the best you can do?" laughed Mary, "You models look good but are so weak!"

"Ok, Miss smart Alec" Amanda thought, "This will knock some wind out of your sales, my friend"

A full blow to the belly left Mary still standing and totally unscathed! Her nipples were throbbing and firm under her Blouse, sticking out like two large Cherries.

"I felt nothing at all! Hit me with that chair" she asked

"You're crazy! Don't get carried away now, you're going to get hurt!"

"I don't think so" said Mary confidently, " I feel too strong to be hurt"

Reluctantly, Amanda lifted the chair and swung it hard to her friend's torso. Crack, the chair crumpled like soft cardboard and Mary still stood firm and unharmed.

"My nipples are so hard" she said to Amanda, "It seems when I concentrate on them they give me immense strength and I feel no pain at all. My Pussy feels funny too; they seem to work together to generate my strength. It must be the affects of the accident with the radioactive contamination I had those weeks ago. I feel totally invincible."

Mary unbuttoned her blouse and lifted her soft Bra up to her chin to examine her breasts to demonstrate their power to Amanda, no bruises, no cuts, just her two beautiful firm breasts and two large nipples standing proud, as if pleased to have been of service.

"Look, see how big my nipples are and look how big my breasts have become. It's amazing"

Amanda was impressed, not only by the demonstration of her friend's strength, but the sudden sight of her beautiful tits caught her by surprise. She felt instantly aroused, and longed to touch them, but Mary slipped her Bra back on and turned away before Amanda could touch them.

At that time the news was showing on the TV, Ms Americana had just apprehended some more villains and demonstrated that once again, crime just does not pay!. She stood so tall and proud while those pathetic villains were beaten by this majestic woman and brought to justice.

Mary stood transfixed to the set and gazed with admiration at Ms Americana.

"Yes! That's it! I'm going to be the most feared and respected Super Heroine the city has ever seen! Yes, it's so clear to me now," said Mary as if in a.trance.

"You don't know what you're saying Mary! Come down to earth will you, it's a hard life as a Super Heroine!"

"Oh yeah, and you should know I'm sure!" Mary replied sarcastically.

"Yes, I do know actually!" Amanda replied stepping out of the room to go to the kitchen.

She undid her blouse to reveal her tiny white bikini top and slipped her power band up her left leg high up her long thigh like a white Garter belt and after putting on her mask completed her transformation into 'White Lightning' Super Heroine of Speed and Strength!

She walked slowly and deliberately back into the room, Mary had seen Lightning on TV before, but never in the flesh.

"Oh, my goodness, White Lightning, where did you come from?" Mary fumbled struggling to know what to say to this beautiful and famous visitor. "Is there a problem, can I help you?"

White Lightning stood hands on hips and smiled at Mary who looked like a nervous and clumsy schoolgirl trying to get an autograph from a TV Star.

White Lightning said nothing, but slowly removed her mask... "You see I do know what life is like as a Super Heroine Mary. I 'AM' White Lightning, you must be properly prepared for a life fighting crime... I will train you if you'd like me too?"

They worked together every day for the next month in between Amanda's genuine modelling assignments, developing skills for self defence, aggressive fighting, escapes from tough and tight situations, special bondage situations and how to avoid them and mind and body control techniques.

Mary had never really thought about bondage before, but the thought of being tied and having forced sex against her will seemed to turn her on. She didn't understand why, she's only had simple sex with her boyfriends before, never anything she thought as 'kinky', maybe she would get Amanda to spend some more time on this in the next few weeks.

She was ready; Mary stepped in front of her full-length mirror and looked at the tall, strong figure standing before her.

"Let the villains beware, a new Super Heroine is here, the like of which they've never seen before.

I am Miss Invincible!"

She posed as if modelling underwear on a photo shoot, turning to the side, then from the rear and back to her 'power pose' from the front.

She was immaculate; her high-heeled boots covered her slim ankles up to the bottom of her calves, the pale blue laces giving her that 'Dallas Cowboy' cheerleader look leaving all of her long slim legs uncovered up to her high-sided tiny bikini briefs..

Amanda had helped her with the design stressing the main feature of distraction for the Super Heroine and what better body to distract the villains with than Mary's. Her pale blue bikini briefs hugged every contour; her pussy was smoothly shaven to avoid unsightly hair spoiling her perfect appearance.

Mary's shaven pussy lips were clearly visible as the wafer thin material clung lovingly to barely cover the soft skin of her womanhood.

She stepped into a pair of very thin shiny pale blue leather hipster style shorts and pulled them slowly up her very long slim legs, adjusted them to fit snuggly over her tiny blue thong, then pulled up the thin soft zipper and fastened a stud to keep them tight.

A pale blue silk-like fabric made up her halter neck bikini top, which struggled to constrain her breasts, her ample cleavage almost bursting out of the front. Her gloves were soft thin pale blue leather fitting tight to her fingers and wrists almost up to her shoulders.

To complete the outfit her pale blue mask covered the vital facial features to still display her beauty, but retain her anonymity.

Her nipples already stood out proudly in the excitement of trying on her new costume as she ran her fingers through her long dark auburn hair and slid her hands from her shoulders over her breasts down to her thighs.

Feeling the sot touch of the material and her skin made her feel sexy and strong, oh, YES, she was ready for action... A new Super Heroine had just been born - Miss Invincible.

She slipped on her 'civilian' clothes over the top of her new costume, put her boots in her shoulder bag and made her way to Amanda's apartment for a dinner party.

.......................

To be continued.....