So Otaku Greatness is a series about A Teenage girl named Urusai Sakafallenkurouzuozevalicekuutsu
Who stumbles upon Castle Belzeneff where she runs into the half mimikyu vampire infant otaku demon lord Ambrose.Q.Belzeneff. She tells him/her that she’s looking for a job an otaku like her will enjoy! When Ambrose hears her he/she offers her a job to help him/her on adventures! And wouldn’t you know it Hilarity ensues!