Yoshiki Kishinuma is a student of Kisaragi Academy Senior High School's classroom 2-9. rebellious boy with little to no care of anyone other than Ayumi. delinquent, Yoshiki faces difficulty in school due to issues at home. Being disowned by his parents, he rents a cheap apartment and works part-time to support himself.  Ayumi Shinozaki changes Yoshiki's mind on the matter after standing up for him against their P.E. teacher and has a sister who cares for him name Miki Kishinuma aka his young sis