Indigo Island is a place like no other, to deter emigration and attract tourism they have become the 'sex' destination as residents are punished if they do not have frequent sex. On this crazy island, Hitori Misaki is still at school and one of the rare virgins trying to keep her secret and find love in such a lewd environment.

Based on the 2018 hentai Visual Novel Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka? by Qruppo.