Primary

• Masataka Takayanagi Younger Brother of Mitsuomi Takayanagi
• Masataka Takayanagi In love with Aya Natsume
• Masataka Takayanagi Son of Dougen Takayanagi

Extended

• Aya Natsume Younger Sister of Shin Natsume
• Aya Natsume Younger Sister of Maya Natsume
• Aya Natsume In love with Nagi Souichiro
• Mitsuomi Takayanagi Older Brother of Masataka Takayanagi
• Mitsuomi Takayanagi In love with Maya Natsume
• Mitsuomi Takayanagi Son of Dougen Takayanagi
• Mitsuomi Takayanagi Best friend of Bunshichi Tawara
• Dougen Takayanagi Father of Mitsuomi Takayanagi
• Dougen Takayanagi Father of Masataka Takayanagi