“Onii-chan, I’m sorry… I’ll be good, I promise…”

My big brother always hits me when I make a mistake and says many cruel things, but when I do something well, he praises me. He told me, “This is discipline. You’re my cute little brother—just listen carefully to what I say.” It hurts, it’s scary, and there’s no one else in my world but my kind yet strict brother…

——And now, many years later, my circumstances have changed just a bit, but essentially nothing has changed. In fact, I’ve ended up with even more “masters.”

The massive mansion of the mafia that rules the underworld of the big city is now both my “home” and my “birdcage.” It all began one day when my older brother, a high-ranking member of the mafia, brought me here—to this very workplace. Seeing my obedient demeanor and the results of his insane training, the boss and the other executives took quite a liking to me.

“From today on, you’re all of our pets.”

Ever since that declaration, I’ve been living as a toy for the mafia boss and every single executive. Each of them has their own twisted preferences: sometimes they treat me like a dog, and other times like a helpless baby who can’t do anything. But my own will doesn’t exist in any of this.

My daily life is bound by absolute rules.
The only thing I’m allowed to wear is a large Y-shirt. I’m not permitted to put on underwear, nor am I allowed to wear shoes—I’m always barefoot. A thick leather collar is fastened around my neck, and whenever they move, I’m constantly led by a leash. I’m forbidden from eating at the table; instead, I must eat directly from a special food dish placed on the floor. Even going to the bathroom isn’t free—I’m trained to use the pet pad laid out in the corner of the room.