Shizuka Yuuki enters Hiroshi Houshou's household as his stepmother following his mother's death, the new wife of Hiroshi's previously absent father. She brings her daughter, Rina Yuuki, into this blended family unit. Shizuka possesses a professional background in acting, where she has achieved fame and recognition. Details regarding her life prior to the marriage, external relationships, personal traits, or character development remain undocumented. Her interactions with other characters, role beyond the family structure, and involvement in events or conflicts are similarly unspecified. Her narrative presence is confined exclusively to the original 41-minute OVA release, without appearances in subsequent seasons, films, spin-offs, or adaptations. No further narrative arcs, background exploration, or character evolution occur beyond her introduction within this family context.