Ore no Kanojo wa Uchuu Ichi Kawaii
俺の彼女は宇宙一かわいい
Kokoa, a girl who has no experience with romance, is infatuated with Soushi, the most popular student in their class. Unbeknownst to her, Soushi is an aspiring light novel writer and a self-proclaimed otaku. The situation becomes complicated when Soushi's romantic interest is not a real person, but a fictional character from a 2D medium.