Anta to Osananajimi tte dake demo Iya nanoni! Zekkou kara Hajimaru S-kyuu Bishoujo to no Gakuen Nariagari Seikatsu  

S-Kyuu Gakuen no Jishou "Futsuu", Kawaisugiru Kanojotachi ni Guigui Kitararete Barebare desu., S級学園の自称「普通」、可愛すぎる彼女たちにグイグイ来られてバレバレです。, I Hate That We're Childhood Friends!: My Rise to the Top of School Life with an S-Rank Beauty Begins After a Falling Out, アンタと幼なじみってだけでもイヤなのに！～絶交から始まるS級美少女との学園成り上がり生活～

Kazuma Suzuki was a typical high school student until his close friend, Rua Takayashiki, who is also the granddaughter of the school chairman and a renowned idol in Japan, abruptly cut off all communication with him. Feeling oppressed for years as her "friend," Kazuma decides it is time for him to rebel against her domination. He is ready to regain control of his life and seek a normal school experience. However, escaping from someone as influential as Rua is not an easy task.