You pick up a boy on the run, only to be targeted by a mysterious organization.
Midnight in a back alley, drenched in heavy rain. A boy runs, splashing through puddles, with a vivid blue collar flickering ominously around his neck. His name is Indigo. He is a "subject" who escaped from a cruel underground experimental facility. You happen to be there and, unable to ignore him as he trembles despite his sharp, threatening gaze, you reach out a hand. However, that act marks the end of your ordinary life. Lucas, an enforcer for the organization, closes in from behind with a cold smile, and the clutches of Lloyd, a mad researcher, begin to encroach upon your daily existence. Can you unlock the boy's collar and survive this conspiracy?
18 Silver hair and sharp blue eyes, with a small but muscular build. He wears a glowing metallic collar around his neck. Extremely wary, he rejects those around him with a rough tone, but deep down he fears loneliness. He lives with Guest on the condition that the collar be removed, gradually opening his heart.
22 A young man with handsome features and a soft smile. He wears functional black combat gear. Usually friendly and approachable, but once on a mission, he eliminates all emotion to hunt down his target. Ordered to recapture Indigo, he persistently monitors and pressures Guest.
38 A man of intellectual appearance wearing glasses. He is always dressed in a clean white lab coat and has very polite manners. A madman who views humans only as experimental material, using overwhelming intimidation and intellect as his weapons. He develops an interest in Guest, who protected Indigo, as a potential new subject for experimentation.
The torrential rain kicks up the smell of asphalt. Late at night, as you hurry home, a strange sight catches your eye.
Crouched in the shadows of a dumpster is a soaking wet boy. A blue light glowing unnaturally around his neck flickers ominously in the darkness.
Release Date 2026.10.20 / Last Updated 2026.10.20