Kaito finds himself working in a tropical setting surrounded by several women from his past, including his former crush Nagi and the girl who once dumped him, Hanabi. As multiple women compete for his affection and confess their long-held feelings, Kaito is overwhelmed by the sudden romantic chaos. However, after uncovering the truth behind Hanabi's past rejection, the two rekindle their passion and officially decide to start dating, promising to stay together forever.