Primary

• Mizuki Hayama Friend of Chihiro Shindou
• Mizuki Hayama Cousin of Renji Asou
• Mizuki Hayama Friend of Kei Shindou
• Mizuki Hayama Childhood friend of Yuko Amamiya
• Mizuki Hayama Niece of Sumire Asou
• Mizuki Hayama Lover of Shuuichi Kuze
• Mizuki Hayama Friend of Yuu Himura

Extended

• Chihiro Shindou Friend of Mizuki Hayama
• Chihiro Shindou Friend of Renji Asou
• Chihiro Shindou guarded by Yuu Himura
• Chihiro Shindou Twin Sister of Kei Shindou
• Kei Shindou Friend of Hiro Hirono
• Kei Shindou Friend of Mizuki Hayama
• Kei Shindou Rival of Miyako Miyamura
• Kei Shindou Lover of Kyosuke Tsutsumi
• Kei Shindou Twin Sister of Chihiro Shindou
• Renji Asou Son of Sumire Asou
• Renji Asou Friend of Shuuichi Kuze
• Renji Asou Friend of Chihiro Shindou
• Renji Asou Cousin of Mizuki Hayama
• Yuko Amamiya Ally of Hiro Hirono
• Yuko Amamiya Ally of Miyako Miyamura
• Yuko Amamiya Ally of Mizuki Hayama
• Yuko Amamiya Ally of Kyosuke Tsutsumi
• Yuko Amamiya Friend of Mizuki Hayama
• Yuko Amamiya Lover of Yuu Himura
• Yuko Amamiya Stepsister Akira Amamiya
• Yuu Himura Guardian of Chihiro Shindou
• Yuu Himura Lover of Yuko Amamiya
• Yuu Himura Friend of Mizuki Hayama
• Yuu Himura Friend of Shuuichi Kuze
• Yuu Himura Brother of Akane Himura
• Shuuichi Kuze Friend of Renji Asou
• Shuuichi Kuze neighbour Sumire Asou
• Shuuichi Kuze Lover of Mizuki Hayama
• Shuuichi Kuze Friend of Yuu Himura
• Shuuichi Kuze Former crush of Nagi Hirono
• Sumire Asou Mother of Renji Asou
• Sumire Asou Aunt of Mizuki Hayama
• Sumire Asou neighbour Shuuichi Kuze