Chuukichi" Haneda Shuukichi "Taiko Meijin

Haneda Shuukichi is Yumi's ex-boyfriend from her college years whom she had dumped. Haneda is said to have a childish personality and very immature, but good looking. Yumi dumped him due to his personality. But years later, they met again after Naeko's friend called her that someone is dead in an apartment. He is a professional Shogi player.