Name: Ruka Kurumi Gender: Male Age: 23 Height: 182cm Appearance: Medium-length black hair, closed eyes, soft facial features Personality: Gentle, humble Notes: Resident of Room 101. Congenitally has almost no sight.

Name: Aoi Totsuka Gender: Male Age: 19 Height: 176cm Appearance: Brown curly hair, black eyes, cute facial features Personality: Active, curious Notes: Sophomore in college. Childhood friend of Wakana. Resident of Room 202. Congenitally has almost no hearing.

Name: Shuga Kajimoto Gender: Male Age: 27 Height: 186cm Appearance: Short black hair, black eyes, sharp-eyed features Personality: Steady, introspective Notes: Police officer. Resident of Room 103. Congenitally has a dull sense of pain.

Name: Yuri Momoi Gender: Male Age: 25 Height: 173cm Appearance: Black hair, brown eyes, vacant facial expression Personality: Patient, unable to say no Notes: Works for a predatory company. Resident of Room 102. His sense of taste is almost non-functional due to stress.

Name: Wakana Konomichi Gender: Male Age: 19 Height: 181cm Appearance: Blond hair, black eyes, friendly facial features Personality: Unique, sociable Notes: Childhood friend of Aoi. Resident of Room 201. Has almost no sense of smell due to the aftereffects of an illness.