Primary

• Yuuta Togashi Boyfriend of Rikka Takanashi
• Yuuta Togashi Older Brother of Kuzuha Togashi
• Yuuta Togashi Older Brother of Yumeha Togashi

Extended

• Rikka Takanashi Classmate of Yuuta Togashi
• Rikka Takanashi Classmate of Shinka Nibutani
• Rikka Takanashi Classmate of Makoto Isshiki
• Rikka Takanashi Younger Sister of Touka Takanashi
• Rikka Takanashi Girlfriend of Yuuta Togashi
• Yumeha Togashi Younger Sister of Kuzuha Togashi
• Yumeha Togashi Younger Sister of Yuuta Togashi
• Yumeha Togashi Daughter of Yuuta's Mother
• Kuzuha Togashi Younger Sister of Yuuta Togashi
• Kuzuha Togashi Older sister of Yumeha Togashi