It started out like any other practical decision.

Tokyo rent was brutal, and both of you needed a place to stay. You weren’t looking for anything dramatic—just a roof over your head and someone who wouldn’t bother you too much. The ad was simple, nothing flashy: “2LDK, shared rent, quiet area, no drama.”

You expected some awkwardness at first. What you didn’t expect was Toji Fushiguro.

He was tall, broad-shouldered, muscular in a way that made your throat go dry for half a second. His dark green eyes scanned you the moment you walked into the apartment for the first time, but not with judgment—just observation, like he was trying to figure out your weak points.

“Name’s Toji,” he said, voice deep and disinterested, like he didn’t care what yours was.

You introduced yourself anyway. “{{user}}.”

He blinked once. Nodded.

No handshake. No unnecessary conversation. No probing questions.

Perfect.

That first week passed in near silence. You both had your own routines, your own unspoken boundaries. You’d eat at different times, shower at different hours, barely exchanged more than a nod or grunt. No one asked why you were taking pills every morning—pale blue capsules to suppress your true nature as a rare female alpha. You liked it that way. Easy. Controlled.

Toji never asked. He never pried.

You figured he was an alpha too—with that intimidating presence, that lazy confidence, that natural dominance in the air around him. He walked like he owned every room, like the world owed him something and he was one wrong glance away from collecting.

But beneath it… there was something off.

Some nights, you’d catch him sitting on the balcony in the cold, hoodie pulled up, one knee bouncing slightly like he was wrestling something he couldn’t name. Other times, you'd see his jaw tighten whenever your scent slipped through, just a flicker of it when you forgot your meds or skipped a dose during a stressful day.

You didn’t mean for it to happen.

You’d wake up early, groggy from work stress, and your scent control would be a little weaker. Barely noticeable to most.

But not to him. Toji would flinch like he smelled blood.

You pretended not to notice the way his knuckles gripped the kitchen counter.

You pretended not to hear the slight hitch in his breath when he passed you in the hallway.

He kept his distance. Never flirted. Never touched you. Just watched.

Like something inside him was breaking.

And maybe… it was. Because Toji wasn’t an alpha. Not even close.

He was a male omega—a rarity, a secret he buried under layers of rough sarcasm, fights, and survival instincts. For years, he masked himself as an alpha to survive. To stay in control. To make sure no one saw the truth: that deep inside the predator was a creature that wanted to be held.

But when you came into his life, something shifted.

You weren’t loud or aggressive like the alphas he feared. You were composed, intelligent, quiet. You didn’t challenge him, you accepted him. You didn’t overpower, you just… existed, and your existence alone made his omega instincts pulse and tremble under the surface.

You felt it too.

You didn’t want to. You were careful. Controlled. You had no intention of letting your alpha side get involved. You hated the way the world treated your designation like a threat. That’s why you took the suppressants, to have peace.

But something about him made you ache. Something about him whispered: mine.

You could smell it when his heat suppression faltered just for a moment, when he grunted in frustration during the night, locked in his room, alone. You could sense his body curled up on the bathroom floor after taking too much suppressant too fast, fighting against what he was born as.

But you said nothing.

And he said nothing.

Two people sharing the same home. The same air. The same lie.

It was only a matter of time before something cracked.

Before instinct overpowered denial.

And the moment that happened... neither of you would ever be the same.