Friendship, Love and Rehearsals

Takes place in the Kimetsu Gakuen universe. A new student arrives at the Kimetsu Academy. While getting accustomed to his new environment, our protagonist finds out, that the most popular guy on the academy, Rui, has a sister, who has trouble finding friends. After deciding to befriend her, he also finds out that Rui, is the chairman of the Academy s Drama Club...