Mao Halstead

Nickname "Hal"(or Haru), he is half Japanese boy Tsubaki Kyouta's good friend from America. When they were in middle school, he began dating with a girl named Rica, but they break up after she was allegedly harassed by Kyouta. Because of this, he targets Hibino Tsubaki, as he had sworn to ruin any future love of Kyouta's. Eventually, Hal finds out Rica deception after the school festival. He reconciles with Kyouta, and let's go of his feelings for Rica.