ぼっちの俺がクラスの二大女子グループの中心にいる超絶美少女たちに懐かれて、板挟みハーレムになってる理由。 (Associated Names)

The story is about the main character, a gloomy loner, who is spotted by the beautiful girls at the center of two major girl groups in his class and is left to do as they please.