Medatanai Sonzai No Boku Ga Takane No Hana No Senpai To Ecchi Na Kankei Ni Nacchatta Hanashi

The Story Of How I, A Person Who Doesn't Stand Out Got Into A Relationship With The Senpai Who's Way Out Of My League / 目立たない存在の僕が高嶺の花の先輩とエッチな関係になっちゃった話