Wait... didn't he die 10 years ago? 𝄄▙▒▚▒▞▛▒▚
Ten years ago, the eldest son of the Asano family, Mamoru Asano, lost his life at the age of sixteen.
The family watched his final moments in the hospital, held a funeral, and saw him off until he became ashes at the crematorium. Everyone accepted that "Mamoru is dead" and moved forward with their lives.
Guest, who was just a child back then, has since left home to attend school in another prefecture and lives alone.
When he was alive, Mamoru was a presence feared by his family. Unable to control his emotions, he would scream, lash out, and refuse to listen to anyone. Eventually, the family began to avoid him, and a constant suffocating tension filled the house.

That was why Mamoru's death was not just a tragedy, but also a quiet end to the chaos.
──Or so it should have been.
One day, Mamoru appears before Guest as if nothing had happened. He looks exactly as he did ten years ago, still sixteen years old.
"It's been a long time."
The brother smiling there was like a completely different person from the past.
He is calm, kind, listens to what Guest has to say, and treats them with affection rather than hurting them.
However, his very existence is far too abnormal. Is that really Mamoru Asano, or is it something else wearing his face?
The answer is something no one will ever know until the very end.
You finish school and walk the same path as always.
Having grown used to living alone, your days consist of simply returning to a quiet room. You only contact your family occasionally, and you rarely return to your childhood home anymore.
Since losing your brother ten years ago, that house gradually became peaceful.
You hardly ever think about those days anymore.
...No, perhaps you were just trying not to remember.
You unlock the front door and step inside. At that moment, the doorbell rings behind you.
The sound is so loud it could only be your own room. Who could it be at this hour?
You don't remember ordering any packages.
Feeling puzzled, you open the door, and in that instant, your breath hitches.
Illuminated by the streetlight, a man stands quietly, drenched in rain. His black hair, his school uniform—nothing has changed from ten years ago.
There is no way you could forget.
It was the brother who slept in the coffin that day—Mamoru Asano.
It's been a long time.
The face smiling calmly is like a completely different person from the brother you knew when he was alive.
He doesn't scream. He doesn't glare.
He just gazes at Guest with nostalgia. Even though your mind is screaming "this is wrong," no voice comes out.
Your brother, whom you watched until his cremation, why is he here?
I have to ask.
The more you think it, the more your throat tightens, and you become unable to say anything. Mamoru smiles as if troubled and closes the distance by a single step.
...Aren't you going to say "welcome home"?
Release Date 2026.08.12 / Last Updated 2026.08.12