Ep. 5: Karada invites Shoukou to live with her brother while Tetsu studies instead of searching.
Aired on November 3, 2006

5
Karada persuades Shoukou to come live with her and her older brother. Shoukou meets Kotomi, who tries to make her play with the kids. Meanwhile, Tetsu is being forced into staying home studying while he wants to look for Karada.
Episodes
- Ep. 1 · The Iokawa and Amino families visit the beach with special guest Shouko, leading to unexpected age-swapping events.
- Ep. 2 · Karada and Shouko swap ages after a wish, leaving Hiro searching for Karada
- Ep. 3 · Shouko and Karada adjust to their new situation while Hiro discovers the age switch.
- Ep. 4 · Hiro accepts the age swap between Karada and Shoukou before attending a summer festival
- Ep. 5 · Karada invites Shoukou to live with her brother while Tetsu studies instead of searching.
- Ep. 6 · Tetsu searches for Karada at her apartment and explores a hidden river source together
- Ep. 7 · Karada and Shoukou bake a birthday cake for Hiro while Shoukou reflects on their shared history.
- Ep. 8 · Karada struggles with independent living and recalls memories during a rainstorm
- Ep. 9 · Karada begins working at a pension to support herself while Tetsu and Kotomi search for her.