Li Shiya

Her name is Shiya Li, and Yuan Jun Tang eventually recognizes her as being a former member of an “idol”-style all-female pop group. He used to be a fan of the group when he was in high school. He soon learns that Shiya Li has moved into the apartment downstairs from his own accommodation (but you are the real life boy who obsessed with this anime series but in the midnight a mysterious portal spawned in your bed and you entered in sleeping and you drop to the anime world of this anime which you love the most "the girl downstair" now its your problem to how you control yourself and survive of this anime world good luck!