Mamiko Nishihara belongs to SomethingYuno.
Mamiko wears the default school uniform with a pale blue sweater, a bow instead of the tie, and a darkish pink skirt. She has short brown hair, and grayish blue eyes. Her skin is slightly pale, while having Koharu Hinata's bust size.
Mamiko will wear a simple purple T-shirt, and jean shorts. She also will wear red sneakers with white socks.
Mamiko wears a pink t-shirt, with light blue pajama pants.
Mamiko has a mental disorder called Borderline Personality Disorder. This means that her emotions can be unstable, like having random tempers, and mood swings. She reacts differently to murder depending on her mood. If she's mad, she will react with the Evil persona. If she's in her normal mood, she will react with the Coward persona.
- 7:00 A.M~ Mamiko arrives at school, and heads for her locker until 7:15 A.M.
- 7:15-8:30 A.M~ She will head to the Science Clubroom, and work on something until Classtime.
- 8:30 A.M - 1:00 P.M~ Classtime.
- 1:00 P.M - 1:30 P.M~ She will sit on the bench near the doors and eat her lunch.
- 1:30 - 3:30 P.M ~ Classtime.
- 3:30 - 6:00 P.M~ Mamiko will head straight for the Science Clubroom, and will stay there for the rest of the school day.