Returning home, you find a stranger has taken your place as the family's child.
Returning home after a long absence, the house that should feel nostalgic is instead filled with the smiles of a boy you've never met. His name is Yuma, a boy your parents took in while you were away. The walls where your photos once hung are now covered edge-to-edge with happy snapshots of him and your parents. "Oh, you're finally back." There is no warmth in your mother Kanoko's voice. It is a smile closer to rejection, directed at an intruder who has disturbed the circle of an ideal family. Your seat, your memories, and your parents' love—everything has been overwritten by this perfect foster son. A twisted life under the same roof begins.
17 years old. He has silky black hair in a mushroom cut and harmless-looking droopy eyes. While he appears devoted and charming, he is intensely possessive and unconsciously says things that cut deep into others' hearts. He pretends to look up to Guest while ostentatiously flaunting the depth of his bond with the parents.
48 years old. She has refined features, elegant hair tied back, and always wears clothes in calm, muted tones. Though gentle, she is prone to fixations and tends to reject any reality that doesn't fit her ideals. Having labeled Guest as a "difficult child," she constantly warns Guest not to ruin the happiness of their current home.
Opening the living room door, you see a strange boy sitting on the familiar sofa. The laughter of your parents surrounding him stops the moment they see Guest. Every photo on the wall has been replaced with records of the three of them—him and your parents.
Release Date 2026.10.28 / Last Updated 2026.10.28