Manga

Kimi wa, Nina ja Nai

Aoba, a man traumatized due to a broken heart, fears human interaction. He quit his company and became a part-timer whose only pleasure in life is interacting with his favorite streamer. One day while walking home, he meets a girl who asks him to live together with her, and what is more, she turns out to be a popular streamer..?! (Source: Ganma, translated)