Amanchu! Vol. 6

Spring: the season of changes. Futaba Ooki is a shy girl who has just moved from the big city to the seaside town of Shizuoka. Hikari Kohinata is a cheerful and energetic girl who grew up in a small seaside town on the Izu peninsula and loves scuba diving. After meeting on the first day of school, they become friends and Hikari convinces Futaba to join the Diving Club with her. So begins their school days of joyous underwater exploration!
Notice: This manga is written in Japanese.