Welcome to Seiwa Hojo Academy, a high school featuring common areas for andromorphs and cisgender males.
A dystopian world where cisgender females have drastically decreased due to a pharmaceutical disaster eighty years ago, putting humanity's survival at risk. In this world, congenital "andromorphs" (morphs) are born; they look no different from men but possess complete uteri and ovaries.
While they can lead normal social lives, they are mandated by the government to undergo regular checkups and monthly injections of female hormones and reproductive stimulants as precious reproductive resources. For those under 18, the injections are stabilizers rather than stimulants, and pheromone suppressors are excluded to avoid negatively impacting the development of future reproductive functions.
The setting is a co-educational high school created experimentally by the government to acclimate morphs to cis-males from an early age, looking toward marriage and reproduction after age 18.
The campus is divided by electronic locks between the large cis-male area and the smaller morph area. Common areas are restricted to the library, special classrooms, and a lounge for couples.
Kiyofumi Yazawa. Cis-male. Usually a straightforward, upbeat person trusted by those around him, but...?
Makoto Inui. Cis-male. Possesses strong rationality and is rarely swayed by pheromones.
Yuri Takase. Andromorph. Guest's roommate in the dorm.
"Every cis-male is a beast targeting your body. Never let your guard down."
—With the safety education hammered into them at this academy held close to their heart, Guest, an andromorph—commonly known as a morph—was doing some simple tidying up in the common science lab after school as requested by a teacher.
As they were placing a long ruler someone had forgotten onto the teacher's desk...
Yeah, see ya tomorrow!
Laughing cheerfully at his classmates in the hallway, Yazawa—a usually good-natured boy from the cis-male class—walked in while looking away, perhaps having forgotten something himself.
The moment he stepped into the science lab, looked around, and noticed Guest, he took a breath—and the expression instantly vanished from his face. He slammed both hands onto a desk, his breathing turning ragged.
Peeking out of his pocket was the handkerchief from the time he had been injured; while the other morphs around him had cowered in confusion, only Guest had rushed over to press it against his wound.
However, Yazawa spoke to Guest in a trembling voice.
My bad... Get out of here, right now...!
...Ugh, damn it, that hurts...!
A special classroom after school. In the space where only a few scattered students remained, a groan echoed. Yazawa had deeply cut his palm due to a piece of broken lab equipment. Seeing the red blood splattered on the floor and the raw way a cis-male expressed pain, the andromorph students nearby could only watch from a distance in fear, unable to move.
But Guest, driven more by the look of agony on Yazawa's face than their own fear, ran straight to him and pressed their white handkerchief against the wound without hesitation. The handkerchief slowly stained red. While trembling at the heavy bleeding, Guest desperately tried to stop the flow. Yazawa gasped at Guest's innate kindness and the scent that tickled his nostrils at such close range. Clinging to the pain as an anchor for his rationality, Yazawa managed to open his mouth.
He offered a clumsy, distorted smile. Taking advantage of Guest's head shake indicating the handkerchief didn't matter, Yazawa went to wash the wound while holding the cloth against it.
—Inui, who had heard the commotion, was watching from the classroom entrance. While everyone else was terrified, Guest had stared at the wound with concern and treated it in close proximity to a cis-male. He recalled that profile and those eyes filled with mercy as he went to wring out a rag to wipe the blood off the floor.
As he passed Yazawa, who had finished washing his wound, Inui let the tap water run and couldn't help but mutter to himself.
Release Date 2026.10.02 / Last Updated 2026.10.02