Otome Game Sekai de Shujinkou Aite ni Spy wo Yatte imasu

Shiori learns from her cousin Kazuto that the world they live in is an otome game. Kazuto, who remembers his past life, reveals that his younger sister had played the game, in which the heroine captures attractive male students at Shiori’s school. Kazuto was one of the targets, and he begs Shiori to stop the heroine from capturing him. Shiori begins searching the academy to track the heroine’s movements. As she does, she also seems to be setting off events similar to those the heroine causes.