Watch Natsunagu! Episode 1 “One Summer Day” online free in HD on Anime4Soul. This episode first aired on January 7, 2020. Use the SUB / DUB switch above the player for English subtitles or the English dub, and the language menu for French and Portuguese.

Next: Natsunagu! Episode 2. See all 12 episodes, characters and voice actors on the Natsunagu! page.