Kanojo no Oshi ga Kirai  

I Hate My Girlfriend's Bias, 彼女の推しがきらい

Kei Tachibana, a good-looking university student, has issues with his girlfriend Chisa, who is obsessed with fictional male characters known as "Oshi." Despite being in love with him, she also has feelings for these 2D characters. Tomorrow, Kei-kun will have to deal with Chisa's infatuation with these characters as they continue their love story in this romantic comedy about a young boy who loves an older working otaku girl.