Makiko Terakado

Born July 17, 18 years old, Blood Type A

A mutual and supportive friend of Kido, Yoneyama, and Emiru. She is also intelligent as she seeks the relationship between Tatsuhiko and Emiru by gathering information on the register and finding out they were neighbors.

Upon visiting Emiru's room, it is revealed that she is a lesbian (or bisexual) and loves Emiru. She also found out about the peephole between Tatsuhiko and Emiru.