Stella Women’s Academy High School Division Class C3 (特例措置団体ステラ女学院高等科Ｃ3部 Tokurei Sochi Dantai Stella Jo-Gakuin Kōtō-ka Shīkyūbu lit. Preferential Measure Organization Stella Women’s Academy High School Division Class C3) also known by the abbreviation C3-Bu (C3部 Shīkyūbu) is an ongoing manga series written by Ikoma and illustrated by Tomomoka Midori.