Primary

• Kimihiro Watanuki Student of Yuuko Ichihara
• Kimihiro Watanuki Best friend of Shizuka Doumeki
• Kimihiro Watanuki In love with Himawari Kunogi

Extended

• Yuuko Ichihara Master of Kimihiro Watanuki
• Himawari Kunogi Friend of Kimihiro Watanuki
• Himawari Kunogi Friend of Shizuka Doumeki
• Shizuka Doumeki Best friend of Kimihiro Watanuki
• Shizuka Doumeki Friend of Himawari Kunogi
• Shizuka Doumeki Grandson of Haruka Doumeki
• Shizuka Doumeki In love with Kohane Tsuruyi