Yukino's mother was the wife of Sadamichi. She gave birth to Yukino and Mizuno. Sadamichi cheated on her with Tsukino's mother which created a rift in the family.
Azuma Family | Kazuma Azuma • Kazuma's Grandmother • Inaho Azuma • Umasaburou Azuma • Umatarou Azuma • Sanpi |
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Kawachi Family | Kyousuke's mother • Kyousuke Kawachi • Kyousuke's father • Hiromi • Kyoei |
Azusagawa Family | Tsukino Azusagawa • Mizuno Azusagawa • Yukino Azusagawa • Sadamichi Azusagawa • Yukino's mother • Tsukino's mother |