学園の姫攻略始めたら修羅場になってた件 (Associated Names)

Yuma Kanbara had given up on love after a painful heartbreak in the past and chose to shut himself away in his own world. On the last day of summer break in his second year of high school, while watching his favorite streamer, his younger sister, Ayane Kanbara, barged into his room and blackmailed him,…