Tonari no 801-chan - Fujoshiteki Koukou Seikatsu

Junior-high school student Rei Hoshino, a fujoshi who does not especially have any interest in the 3D aspect of life, suddenly changes when on a rainy day she takes interest in a high school student named Kei Akai and wants to get into the same high school as him. To that end, she enlists the help of her childhood friend Shōtarō Kamiyu...