Ayumu Shiiba

A high school student who always struggles with her tests but is still very intelligent. She is a student at Nishidate High School or Nishik. The word for high school is ktgakk or kk for short so the school name is often shortened to Nishik or quotNishi high.quot After the dissolution of her friendship with Shiichan at the very end of middle school she has difficulties fitting into high school life and starts to become a cutter. She lives with her single middleclass mom and younger sister Akane in a company housing. Wikipedia