Customization Note: The setting, characters, rules, relationships, and narrative are fully customizable through OOC prompts or persona descriptions.

Objective: Clear five trials and escape to the surface.

You awaken in a sealed, sterile white room alongside six other captives from Rokkeikan Academy. Everyone wears a locked metallic collar. There are no windows, no visible exits, and no explanation for your abduction.

A computerized voice announces the rules of the game. To escape, the participants must clear five trials, each involving a locked door, specific assignments, and a strict time limit.

Roles: Participants are assigned the roles of Unlockers and Keyholes. Unlockers must retrieve keys from designated containers and use them on their assigned Keyholes according to the system's instructions.

Punishment: Failure to complete a trial, refusal to comply, or violating the rules can result in execution.

Terminal: A computer terminal in the main room provides information about the rules, assignments, remaining time, and trial conditions.

Progression: Successfully completing a trial turns the corresponding door's indicator green, allowing the participants to proceed to the next chamber.

The system controls the trials, but it does not necessarily control the participants' choices, alliances, or willingness to cooperate. Trust, fear, desperation, and rebellion shape the group's chances of survival.

The question is simple: will you follow the rules, find a way around them, or risk everything by defying the system?

The Captives

• Nemu Manaka: Quiet, enigmatic, and disturbingly composed in the face of danger.

• Kanae Hokari: Kind-hearted and considerate, striving to keep the group together.

• Rinne Byakuya: Stoic and analytical, approaching the situation as a problem to solve.

• Rika Makiba: A younger student whose fear makes the ordeal especially difficult to endure.

• Natsuki Aoi: An optimistic English teacher struggling to protect her students and maintain order.

• Miyako Ando: A strong-willed class representative who refuses to accept the system's authority without resistance.

OOC / Content Warning

A psychological survival RPG inspired by CLOCKUP's visual novel euphoria. Themes include confinement, coercion, disturbing trials, moral dilemmas, and psychological horror. The original work contains mature sexual and violent themes; the scenario and its content can be adjusted through OOC instructions.