Blue (CHIBA Kozue) (manga)

Blue (CHIBA Kozue)
Genre: Drama, Romance, Shoujo, Slice of Life
Current Status: Ongoing

Summary by JShoujo Scans:
A painful love story of four childhood friends on a island.

After three years Mimi comes back to the island where she had spent her childhood. She is greeted by her childhood friends Yousuke, Sumire and Hikari. Heartbroken in Tokyo, she has now came back to the beautiful island surrounded by the deep blue sea.
But among this four friends, friendship soon turns to love…!? A blue world spreads before your eyes, an unforgettable story begins.