Gorou Ikeda
A honor student who was suspected of planning a murder of someone because of the writings in his notebook. It turns out it the writings in his notebook were actually notes from his stepfather who wanted to get rid of Gorou. After the truth was revealed by Kuniyoshi Kiichi and Murozono, the three of them became friends. Gorou fell in love with Murozono, but she actually started dating Kiichi.