オープンオタク

noun

open otaku; someone open about their otaku interests

Slang term for a person who does not hide their intense interest in anime, manga, games, etc., and may openly display related merchandise or talk about it freely.

See also: オタク

• 彼かれはオープンオタクで、職しょく場ばでもアニメの話はなしをよくする。

  He's an open otaku and often talks about anime even at work.

• オープンオタクの友とも達だちと一いっ緒しょにコミケに行いった。

  I went to Comiket with my open-otaku friend.