Content breakdown
✅
Generally safe
# One Summer Story - Parent Guide
This lighthearted drama follows two high school students—a swimmer and a studious child—on a summer adventure together. The film contains no violence, profanity, or sexual content, making it a wholesome choice for most children. It's an ideal pick for teens and older children who enjoy coming-of-age stories with comedic moments.
Synopsis
Two different high school children - a swimmer and an academic - set off on a quest together one summer.
Cast

Moka Kamishiraishi
Sakuta Minami

Kanata Hosoda
Moji Shouhei

Yuki Saito
Minami's Mother

Etsushi Toyokawa
Minami's Biological Father
Where to watch
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Ratings based on MPAA/TV classification and TMDB metadata. Updated March 2026.
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