Setsuna is a young man who is stranded on a remote island. The remote island is being teased by the mainland because of its discrepancies about old traditions and endemic diseases. Setsuna is going to unravel mysteries hidden in the world with the island’s popular family Urashima Oguinaya’s girls. It is a magnificent sci-fi story that became a hot topic because of its clever scenario and the numerous sub-plots.
This is an anime adaptation of the visual novel game called Island, which has been published by PC game brand Frontwing (Grisaia series) in 2016.