You’re Not Nina is a Manga/Manhwa/Manhua in (English/Raw) language, manga series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
Aoba, a young man who suffered a psychological trauma due to a severe broken heart, became afraid to come in contact with people and quit his job. He was now spending his days while working a part-time job, his only enjoyment being supporting his favorite streamer. A certain day, he was called out by a girl he had often seen on his way home from work. With this first encounter as a start, she ends up moving in with him?! Moreover, the real identity of this girl is his favorite streamer? His life changes, and his living together with his favorite streamer begins now!!