Netoge no Yome wa Onnanoko ja Nai to Omotta?

Hideki Nishimura is a young man who once confessed to someone online he believed was a girl, only to discover it was a boy. He keeps this past hidden and resolves not to trust anyone online again. Later, a girl confesses to him, and she is revealed to be Ako Tamaki, a real girl who struggles to distinguish between online interactions and real life. Ako is isolated and has difficulty communicating. Hideki, along with members of his online guild, decides to help her better understand the real world.