Natsu e no Hakobune II | 夏への方舟Ⅱ

Returning to his hometown for the first time since starting college, the protagonist finds himself back in the familiar summer setting. Though his circumstances have changed, his summer seems destined to be the same as always... until an unexpected engagement announcement for his cousin throws everything into disarray.

This revelation leads the protagonist to uncover the hidden desires and feelings of his cousin, his younger sister, and his childhood friend.

A summer unlike any other begins, one filled with deep connections and the unraveling of long-held secrets. This immoral love story unfolds in the backdrop of a summery countryside, intertwined with the passion and desires of three young women.