Otaku no Musume-san

is a manga series by Japanese author Stu-Hiro. It tells about a young 26-year-old otaku, who is suddenly visited by a young girl claiming to be his daughter. It was first serialized in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age in 2006.
The last chapter has been released in the 11th issue of Monthly Dragon Age on October 8, 2011.

Characters

;Kouta Morisaki
;Kanau Yukimura
;Taeko Morita
;Haruka Arisaka
; Chihiro Nitta
;Sousuke Morita
;Nozomi Yukimura
;Kimiko Asou
;Mami Kitamura:
;Serio