The hyperactive teenage scuba diver, Hikari Kohinata, lives in a small town near the sea. On her first day of high school she meets the shy transfer student, Futaba Oki, who is struggling to find a place after moving away from Tokyo. Hikari takes the lead, dragging Futaba into her hijinx, and the two soon become close friends
Not streaming on a subscription service in the US right now.
Starring Ai Kayano, Eri Suzuki, Saori Onishi, Yuuichirou Umehara, Kikuko Inoue, Yurika Kubo, Chiwa Saito, Erino Hazuki, Fumihiko Tachiki, Shizuka Itoh