Aired: Jul 8, 2016 to Sep 23, 2016
Premiered: Summer 2016
Genres: Comedy, School, Shounen, Slice of Life
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older
Hikari Kohinata is a cheerful 15-year-old girl who lives near the ocean and she spends much of her time diving as a result. On her first day of high school, she meets a teacher who also likes scuba diving. There's also a 16-year-old classmate, Futaba, who gets dragged along in Hikari's maelstrom as soon as they meet at school.