Kanojo no Real ga Kirinukenai!

Riku Mikami, who is starting as a university student in spring, finds out that his favorite VTuber is taking a hiatus. The one who cheers him up is Rui Saionji, his classmate. Will Riku resolve to make Rui his "oshi"? (Source: Houbunsha, translated) Note: Includes three extra chapters