Tsuranui Mihaya

Arika's underclassman that has a crush on him. She occasionally seems to be trying to be a Manic Pixie Dream Girl to Arika, but she keeps getting shut down. Tsuranui is very out there and wanders unknowingly into danger with astonishing regularity. She has unlimited energy and is always "over-the-top"

Tsuranui's real name is Kinui Mihaya, but it's almost never mentioned.