俺は決してシスコンではないはず！〜周りはシスコンと言うが、ただたんに妹が可愛すぎるだけなのだが？〜 (Associated Names)

Haruki Tojo is a second-year student at a private high school. At school, he is the head of the calligraphy club, and is slowly gaining recognition in the world of calligraphy. Haruki’s father is a professional photographer, and he lives alone most of his life. At that time, his father decides to remarry. Haruki does…