Minami no Teiou ZERO

Manda Ginjiro's father, Koichiro, committed suicide due to the acts of Akuto's president. Due to the shock, his mother lives in the hospital lying in bed. Ginjiro had excellent grades but now works to earn money for her hospitalization. One day, he targets the daughter of Akuto Shoji, Naoko. He resolves to get revenge against the dangerous Akuto for his father.