Otaku Grandma [Updated at: 2023-06-16 14:02:01] Alternative オタクばあちゃん; Otaku Bāchan Author(s) Tezuka Osamu Status OnGoing Genre(s) Comedy - Drama - Adventure - Fantasy - Historical - Supernatural View 1.260 Otaku Grandma 123 Rating. 460 followed First chapter Latest chapter Details Read more Chapter List Chapter number Updated at Chapter 3 11mo ago Chapter 2 11mo ago Chapter 1.5 11mo ago Chapter 1 11mo ago