Heroine And Heroine, Intertwined

Story by Joshiah on SoFurry

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#65 of Transformation Stories

Were you wondering about the fate of Tidal Gal after her public defeat? Well, Sabrith was kind enough to get another story, as a gift for adrijana!

Tidal Gal comes to in an underground bunker, tied up to a wall and stripped naked. She's dismayed to find that her sister-in-arms, Flashfire, is in the same state, and as they try not to descend into panic, a short, awkward scientist makes his way into the bunker.

He has plans for the trapped heroines, and nudity is quick to be the least of their problems, as a serum is introduced into their bodies. Tidal Gal becomes burdened with a cock, and Flashfire grows an extra set of breasts as the scientist takes notes on their reactions. He even releases them, when their desire to experiment with each other overwhelms their thoughts of escape!

As always, read, comment and enjoy!


After her crippling defeat and public embarrassment, Tidal Gal would have been happy if she was granted a swift death, so that she could at least pass with honor, like the heroine that she so desperately tried to be.

Instead, she didn't awake at the pearly gates, or in the flames of hell's fire, but in the bondage of a set of handcuffs, with her staff well out of reach, and her mind still dizzied from the myriad of toxins that Suzubemachi used upon her during their battle.

The world was still hazy, spinning just enough to leave her nauseated as she came to, and felt a familiar voice against her eardrums.

"So...they got you, too?"

Tidal Gal didn't always work alone. She had a faithful sidekick by the name of Flashfire, and while it would normally comfort her to hear the voice of her young ward, hearing it in this setting could only mean one thing.

"Flashfire? N-no...no, please tell me that I'm just imagining this!"

A short period of silence followed, as Flashfire was riddled with shame over her own defeat. When she heard about what had happened to Tidal Gal, she sprang into action, allowing anger and frustration to guide her actions, rather than using logic and planning a proper counterattack. Working on her own, Flashfire was too inexperienced to handle Tidal Gal's captors, and she fell to a similar fate in short order.

Now, she was handcuffed to a wall, just like her partner.

"You should have waited, Flashfire," Tidal Gal chastised her sidekick, as her vision came back into focus. She could only see dark, gray bricks with black mortar surrounding her, with no obvious stairway or path to escape the room. There were a few tables against the far wall, and a strange looking machine with a few instruments upon it nearby, none of which she wanted anywhere near her body. "I have no idea where we are now, and I don't think anyone is coming to help us..."

"But you'll come up with a plan, right?" Flashfire asked. Her entire outfit, down to the goggles that she typically wore upon her head, was stripped away from her body and sitting near the tables on the wall. Tidal Gal got an eyeful of her sidekick in a way that she'd never asked for, but modesty was the least of their problems, in the moment. "You always have a way to get out of jams like this!"

The air was dry in the dungeon, rather than the damp air that Tidal Gal was hoping for. No doubt, it was done intentionally, as the villains behind all of this were planning for Tidal Gal and her unique set of abilities. Flashfire couldn't do much more, as her powers of pyrokenesis were worthless without a spark, and the only lights in the room were powered by cool, low intensity electricity.

Neither heroine could do a thing: the handcuffs even prevented Flashfire from using her inherent powers of flight to float up and look for an escape.

"I..."

Tidal Gal trailed off. She didn't want to allow her young sidekick to fall into desperation, but she really didn't have a plan whatsoever, and perhaps, there was still a hope for them to escape, if she could just reach her staff.

Extending her bare leg as far as she could and wiggling her toes at the base of the staff, the last vestiges of hope were burned to the ground as a hand reached out from the shadows and gripped the staff, pulling it far away from Tidal Gal and effectively rendering her helpless.

"That would have been entirely foolish of me. Good thing I decided to come and check on the two of you...seems that you're all bright-eyed and bushy-tailed!"

Robes that were so long and white that they couldn't have been more stereotypical draped over the form of a scientist, keeping his body almost entirely obscured. His head popped out from above the collar, just enough for the girls to see old and decrepit eyes, just above a sinister, wicked grin.

"I wouldn't go quite so far," Tidal Gal replied with a dry tongue, "But we're awake, anyway..."

"Such venom for my presence," the scientist shot back, "And yet, you don't even know who I am!"

"Suzubemachi told me enough," Flashfire cut in. "You paid her to take us in after she captured us!"

The scientist nodded as he turned to the machine. "I certainly did," he admitted, "And it would seem that I got quite a bargain! Two lovely, enhanced individuals for me to experiment on...and I only sacrificed minor trinkets of my own to get you."

Tidal Gal spat at the ground in her frustration. "You idiot! All you've done is help to aid a super villain in her quest to take over the city!"

"That's not really my problem," the scientist countered. "In fact, I'm rather well protected in my little dungeon, as you might have guessed. I've accounted for her potential return, and if she's foolish enough to try and steal you back, I can handle myself."

"So you think..."

"I don't think. I know," the arrogant man suggested. "And I also know that you're going to enjoy this a lot less if you don't settle down..."

Flashfire had a temper every bit as hot as her name, but she tried to bite back on it as she cocked a brow. "Mind telling us why we're naked, at least?"

"I like to see the results of my experiments in real time, Flashfire...and you've got the benefit of a gorgeous body. It would be a shame not to admire it in the buff."

"You f-fucking pervert! I'm not just an object!"

"Not yet, my dear."

The scientist wasn't revealing any of his intentions, just yet, but Tidal Gal could see through his sinister facade. He didn't care whatsoever about the health or safety of either female, and as the creepy old man turned around with a syringe in hand, Tidal Gal did her best not to quake with fear.

"The beauty of this syringe, you see, is that the needle is so thin, you don't even feel the poke," he explained, as he slowly crept toward Tidal Gal. She finally broke down and shook against her restraints, refusing to hold still, but the old man had precise hands, still managing to stick her in the side of the neck. Only half of the serum within was administered, before a fearful Flashfire was given her own dose; she was trembling too much to struggle against her handcuffs.

There was no poke and no pain as the needle was given, and to her surprise, Tidal Gal felt her body settling down as the serum began to spread throughout her body. Her eyes glazed over as she felt a warmth spreading through her veins, and her mind was clouded once again, just as it was during the fight with Suzubemachi.

"Suzubemachi wasn't kidding about you, Tidal Gal! You fight so hard to keep your perversions at bay that once they're unleashed, they utterly control you!" the scientist cheered. He was bouncing with giddy delight as he set the syringe down on the machine and picked up a key. Flashfire watched in shock and awe as her handcuffs were unlocked, but more disturbing still was the obvious and vicious wiggling of her tiny, cute clit. It was growing with an obvious speed, and Flashfire gulped as she looked down upon her own body...and at first, nothing was happening.

Sensitive flesh was budding upon her tummy, however, and she couldn't explain why her normally slim abdomen felt so ticklish. "What...what the hell was that stuff?" she asked, as she writhed against her handcuffs. The slight tickle was budding into a maddening itch, and without a limb to scratch it, Flashfire was thrown into a tizzy. "What have you done to us?!"

"It's a chemical of my own design, and everyone reacts a little differently to it," the scientist confirmed. "It would seem you friend is about to become rather gifted, and I'd imagine you'll be the target of her affections!"

Distracted by her sensitive itch, and able to see the flesh of her tummy bulging out slightly with tiny, red dots upon each muscle, Flashfire gulped nervously as she tried to deny the reality that she now knew. Multiple breasts were budding from her torso and growing more and more sensitive as shook against her old, rusted shackles, but her fear of the same paled in comparison to the way that Tidal Gal's clit grew rapidly out from her crotch. There was no denying the shape of it, and Flashfire gulped quietly as she simply felt the eyes of her heroine upon her naked form.

Still trapped to the wall and shaking her head slowly, she tried to plead with Tidal Gal, using only the fear in her eyes as a point of resistance, but the nude, still transforming female was beyond reason. Her normally tame, muted eyes were glazed with intense lust, and her tongue nearly fell from the side of her lips as she literally crawled to Flashfire and mounted her, resting over the top of her trapped sidekick.

"Flashfire, h-have you...have you ever felt so alive?!" Tidal Gal asked, her voice deep and husky with an arousal that Flashfire had never seen in her before. Her own sex was quivering at the sight of such a thick, impressive cock, but knowing that it was attached to her own partner in heroism, she felt a terrible guilt in the thrill that followed, as Tidal Gal smoothed her hips against Flashfire, and the underside of her cock brushed between slowly moistening lips. "Isn't this just amazing...?"

Flashfire wanted to shake her head, but the touch of Tidal Gal's open palms upon her budding, smaller breasts offered her the relief that she was so desperately searching for. She was hardly in control of her own voice as she cried out with ecstasy and threw her head back. "F-fuck, Elise!" she moaned, accidentally calling the heroine by her real name as Tidal Gal gripped her now fully formed breasts and squeezed them. "I...I know it's not really you right now...I know you'd never do this, but...you h-have to! Get it out of your system!"

She wanted her actions to be selfless, but Flashfire couldn't deny her physical enjoyment of the touch, and her own clit was buzzing as Tidal Gal's transformed clit, now a full, throbbing member, brushed against the same. Liquid arousal was spilling in just enough quantity for Tidal Gal to guide the tip of her cock into Flashfire, and the sidekick moaned out again with delight as her multiple breasts tingled with a delicious, arousing tickle.

Tidal Gal did her best to play with all four of Flashfire's breasts as her hips began to pump. She cared little about the words of her sidekick anymore, and her mind, fully corrupted, was beyond the concept of getting something out of her system. She wanted nothing more than to fuck her sidekick, and her mind was swimming in the taboo of the same as she felt honest, genuine moisture coating the shaft of her newly grown rod.

Her thrusts were erratic and inexperienced, but once she was inside, Tidal Gal couldn't stop, and though she might say otherwise, Flashfire didn't want her to. A pair of slim, feminine lips pressed together as Flashfire leaned up and shared an intimate, heated exchange with the same woman who tutored her in the ways of fighting crime.

Their relationship was being taken to another level, and would never be quite the same, as student and teacher bonded in a way that they never would have of their own accord.

"I wonder...will the seeds take hold?" the scientist asked. He stood by the machine still, and his long, hanging robes did little to hide the fact that he was quite enjoying the show; a small arm was coming out from the same, and though it wasn't clear what it was doing under his robes, anyone could easily have guessed it. "I haven't been able to find that out yet, but with you two...perhaps I'll know the answer!"

A moment of clarity struck Flashfire as she figured out what the scientist had to be referring to, but pinned between the wall and her partner, still shackled up in heavy bondage, there was no chance for her to escape, and as she felt a familiar, pulsing sensation deep within her cunt, her eyes shrunk with panic.

She had to stop Tidal Gal before it was too late...but she couldn't. She was helpless, and shamefully, her quaking, trembling legs wrapped around the back of her mentor as she felt the first thick, sticky bursts of cum filling up her womanhood and flooding her womb.

For you, Tidal Gal... she thought, as their lips stayed together throughout the act, making the passion feel as authentic as it possibly could. I'd do anything...

Seed poured from the wide, well-fucked labia of Flashfire's snatch, spilling down to the old, stone floor and leaving a small puddle of white, sticky essence between the two enhanced females. Moaning so loud that it echoed within the room, Tidal Gal continued mindlessly pumping her hips with her newfound cock, ramming the tip as deep as it would reach, until Flashfire was sure that her cervix was being pounded into submission just as much as she was.

Her ankles shook with exhaustion as she tried to hold on, but she couldn't help going limp against her mentor, even as the latter continued to fuck her, regardless of her body begging for a break.

I hope it takes, Tidal Gal thought, even if her mind was completely corrupted. I want you full of my seed, Flashfire...you're not just my partner...you're going to be the mother of my offspring!