Wargasm: A Giantess Futa on Female Story (Kaiju Girls Book 1)
She was built to fight monsters. She never expected to become one.
Maxie Steel is the military's last hopeu2014a futanari supersoldier engineered to stop the unstoppable. When an alien space cannon fires sticky, transformative pollen at Earth, ordinary women become 300-foot hypersexual titans that level entire cities in their desperate arousal. The military's solution? Send Maxie into the impact zones for brutal sexual combat where only climactic submission can force the Kaiju Girls back to human size.
But every fight makes Maxie bigger. Stronger. Less human. And the women she defeats? They are imprisoned in the military's secret underground facility, classified as weapons, stripped of their freedomu2014and their humanity.
Cassia Hart was Maxie's ex-girlfriend. Now she is prisoner zero. Bianca "Bibi" Rowe spent her life invisible until the transformation made her powerfulu2014until Maxie took it away. Malina Volkov is liquid latex and relentless hunger. She nearly broke Maxie before losing everything.
Each victory adds inches to Maxie's height and cracks to her conscience. The Spire is not done: the strikes are accelerating, the payloads are adapting, and something vast and alien is watching from beyond Neptune, learning how to break humanity one woman at a time.
Military sci-fi meets explicit giantess erotica in a brutal first-contact war where sex is survival and surrender means imprisonment. Book 1 of the Kaiju Girls Trilogy.
Contains: futanari protagonist, giantess transformation, size difference, sexual combat, environmental destruction, forced orgasms, dubious consent, military imprisonment, body horror, and kaiju-scale carnage.
WARNING: Contains explicit content. 18+ only.
In the wiki
Spoiler-free lore stubs on the Futagen wiki:
Short for now; Bibi, Malina, and Spire / setting detail in a later pass.
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Read the First Chapter
The call came at 0347. Master Sergeant Maxie Steel was dreaming of her mother’s kitchen – the smell of pancakes, the sizzle of butter, her mother’s hands flipping batter with the same precision she’d later use to field-strip a rifle. She never got to finish that dream. The emergency siren cut through it like a blade, and she was awake before the second pulse, already reaching for her boots.
The barracks hummed with controlled chaos. Soldiers in various states of dress grabbed gear from lockers, their movements sharp and practiced. The air stank of gun oil, sweat, and the metallic tang of pre-combat adrenaline that Maxie had learned to recognize as the smell of fear.
“Steel!” Command Sergeant Briggs’s voice cut through the noise like a whip crack. “Briefing room. Now.
Maxie pulled her tank top over her head and followed, boots slapping against the concrete floor. The hallway lights flickered – a sign that the base’s emergency generators were struggling to keep up with the power draw. Whatever was happening, it was big.
In the briefing room, General Maddock stood behind a holographic display, his face carved from granite and bad decisions. A 3D projection of downtown Chicago rotated slowly above the console. Or what was left of it. Whole city blocks had been flattened, skyscrapers toppled like dominoes, and in the center of the devastation, a figure the size of a skyscraper itself was rising from the rubble, draped in what looked like shimmering organic matter.
“What the hell am I looking at?” Maxie asked.
Maddock didn’t turn around. “That’s what’s left of the Windy City after a 300-foot woman had an orgasm so powerful it registered on the Richter scale. She grew during the event. We don’t know how. We don’t know why. But we know she’s not the only one.
The holographic display zoomed out, showing markers across the globe – red dots pulsing over major cities. Tokyo. London. Moscow. Sydney. Each one with a timestamp and a threat level. Most were already at critical.
“Three hours ago, an unidentified projectile entered the atmosphere and detonated over Lake Michigan. The payload was not explosive. It was biological. A spore cloud that saturated the population. Ninety-nine point nine percent of people are unaffected. But the ones it does affect?” Maddock finally turned, and Maxie saw something in his eyes she’d never seen before: uncertainty. “They change.
Maxie stared at the holographic giantess, who was now taking a swipe at a military helicopter. The helicopter exploded in a fireball that barely seemed to register to the creature. “And what exactly am I supposed to do about a 300-foot woman, sir?
Maddock’s lips curled into something that wasn’t quite a smile. “You’re going to fight her, Steel. But not with bullets.” He tapped a control, and the display switched to a new image: a diagram of Maxie’s own body, with annotations highlighting… enhancements. Augmentations she didn’t remember signing up for. “You see, Maxie, you’re not just a soldier. You’re the solution. And that transformation you’ve been hiding? The one that makes you different from every other soldier in this man’s army? It’s not a defect. It’s a weapon.
Maxie felt her blood run cold. She knew exactly what he was talking about. The thing between her legs that had always made her feel like a freak. The secret she’d buried under layers of PT and discipline. “How do you know about that?
“We designed it, Steel. Project Chimera. You’re the only successful subject. And now you’re going to earn your paycheck.
The briefing room fell silent as the holographic kaiju woman roared, the sound shaking dust from the ceiling. Maxie looked from the general’s unreadable face to the destruction on the display and back again. Somewhere in the distance, another alarm began to wail.
Cassia Hart. That was the name of the woman who’d become the Chicago kaiju. Maxie’s ex-girlfriend. The one she’d left behind when she enlisted. The one she’d never stopped thinking about.
“Sir, I need to know something.” Maxie’s voice was steady, but her hands were shaking. “Can they be turned back?
Maddock’s silence was the only answer she needed.
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