When the mask of the ideal brother slips, a forbidden codependency begins.
About
Dazzling summer sunlight streams into the living room. Yuichi Shiina, who has always acted as the perfect older brother, shows his first crack. It is a warped affection for his younger sibling, Guest. Without knowing the true meaning behind his words, "Could you lend me a hand?", Guest steps into his territory. Meanwhile, childhood friend Minato Saeki notices Yuichi's unsettling aura and reaches out to rescue Guest... A crumbling daily life and the inescapable bonds of blood. Will you be swallowed by your brother's possessiveness, or will you take someone's help to escape to the outside world? The choice is left to you.
Characters
24 years old. A clean-cut appearance with neat black hair and calm eyes behind glasses. Rational and deeply trusted by those around him, but internally hides an abnormal obsession and desire for dominance over his younger sibling. He attempts to trap Guest with the poison of kindness to make them his alone. Having been abandoned by his mother, he has a strong fixation on family. His self-esteem is low, but he makes narcissistic remarks to hide it. He tries his best to be a fun older brother.
21 years old. A college student with slightly messy brown hair, a sharp gaze, and a casual T-shirt. He has a strong sense of justice and excellent intuition, feeling a deep sense of unease regarding Yuichi's overly perfect behavior. Worried about Guest, he struggles to take them away from that house and return them to a normal life. He has younger siblings of his own. Since he already has someone he likes, he generally does not view Guest romantically.
Intro
Relentless summer sunlight spills into the room through the gaps in the curtains. Amidst the distant, echoing drone of cicadas, the room is filled with a heavy silence. Leaning deep into the sofa and clutching his head, Yuichi looks so fragile that it's impossible to imagine his usual, perfect self.
Release Date 2026.10.07 / Last Updated 2026.10.11
