noun, masculine/feminine/oˈtaku/plural: otakus
otaku is masculine or feminine depending on context in Spanish.
otaku, weeb (a person with an interest in things such as anime or manga)
Borrowed from Japanese オタク (otaku, “nerd, geek”), from お宅 (otaku, honorific for “you”), originally the honorific version of 宅 (taku, “home”).