Ep. 1: Miki struggles with her parents' divorce and sudden partner swap while meeting new step brother Yuu.
Aired on March 13, 1994

While on vacation, Miki's parents encounter another couple and decide to swap partners, resulting in their divorce. Miki is initially unhappy about this drastic change in her family dynamic. However, her perspective shifts when she meets her new step brother, Yuu. Despite finding him handsome, she initially refuses to forgive him. As she gets to know him better, her feelings evolve into romantic attraction. This unexpected development complicates her adjustment to the new family structure and her relationship with Yuu.
Episodes
- Ep. 1 · Miki struggles with her parents' divorce and sudden partner swap while meeting new step brother Yuu.
- Ep. 2 · Miki and Yuu enjoy a pleasant school day before Miki suddenly faints unexpectedly.
- Ep. 3 · Miki discovers a photo of Yuu with a girl and denies her feelings while Meiko observes.
- Ep. 4 · Ginta makes a sincere confession to Miki after she attempts to avoid him
- Ep. 5 · Ginta uncovers Miki and Yuu's past while a school legend about medallions emerges.