this is the manga ecchi comedy romance school-life a guy that likes playing online games, confesses to what he thinks is a girl in a game ... but the "girl" tell him she is actually a guy then a "girl" in a game confesses to him and he does not believe it is a girl ... then he find out it actually IS a real girl manga https://www.mangaupdates.com/series/mgn882m/netoge-no-yome-wa-onnanoko-ja-nai-to-omotta . . . the manga is based on the LN's ... the story is complete at 23 vols ... but the fan-translation never got beyond 7 vols https://www.mangaupdates.com/series/ue81mq4/netoge-no-yome-wa-onnanoko-ja-nai-to-omotta-novel ... link to the LN's https://nyaa.iss.one/view/1838429