My Neighbor Yaoi-chan (2007)

very similar main female characters and similar themes

Jun is an 18-year-old high school student. He hides the fact that he is gay from his mother and other people. Miura-san is a classmate of Jun. She likes reading books about BL (genre depicting homoerotic stories). Jun tells Miura-san that BL is just fantasy and that gayness in real life is dirty. Miura-san tells Jun that his remark is offensive to gay people. Nevertheless, Jun and Miura-san become close. Jun becomes interested in Miura-san, and Miura-san begins to have feelings for Jun. One day, Miura-san tells Jun that she likes him.

An emotional coming-of-age drama centered around Andou Jun, a gay student who is not out. He accepts a confession from his fujoshi classmate Miura Sae and they start dating. However, Jun is also seeing Makoto, but fails to tell Sae about his male lover.