Primary

• Shoukichi Hitotsubashi In love with Miko Saegusa
• Shoukichi Hitotsubashi younger brother of Yurie Hitotsubashi

Extended

• Miko Saegusa Younger Sister of Matsuri Saegusa
• Yurie Hitotsubashi Older sister of Shoukichi Hitotsubashi
• Yurie Hitotsubashi In love with Kenji Ninomiya
• Yurie Hitotsubashi Daughter of Kenkichi Hitotsubashi
• Yurie Hitotsubashi Daughter of Akane Hitotsubashi
• Yurie Hitotsubashi Best friend of Mitsue Shijo
• Yurie Hitotsubashi Friend of Matsuri Saegusa