Primary

• Hiroto Kazama In love with Kirari Tsukishima
• Hiroto Kazama Best friend of Seiji Hiwatari

Extended

• Kirari Tsukishima In love with Hiroto Kazama
• Kirari Tsukishima Best friend of Kobeni Hanasaki
• Kirari Tsukishima Best friend of Noel Yukino
• Kirari Tsukishima Younger Sister of Subaru Tsukishima
• Kirari Tsukishima Daughter of Takashi Tsukishima
• Seiji Hiwatari Best friend of Hiroto Kazama