Kono Sankaku Love Come wa Shiawase ni Naru Gime ga Aru.
この△ラブコメは幸せになる義務がある。
A high school student named Tenma Yashiro finds himself in the same class as two of the most beautiful girls in school, Reira Tsubaki and Rinka Kou. Reira is cheerful and innocent, while Rinka is reserved and distant. Tenma wishes to avoid them and maintain a quiet school life, but after uncovering Rinka's hidden secret, his life takes a sudden and dramatic turn.
