Manga based on the video game of the same name.

Years ago, Reina moved to the remote village Hinamizawa with her family, but soon her mother became distant and ultimately left her father for another man. These actions caused Reina to have a breakdown, hurting herself and others in the process. After returning to Hinamizawa once more Reina – now known as Rena – hangs out with new friends such as Keiichi and others such as Mion and lives a good life; but soon she discovers that more is going on in her life and on the island than she imagined…