Same-themed manga about kid fighting female ninjas from japanese imageboard.

Kodomo Janaishi! | I'm Not a Little Kid!

[Hochidonmai (Donburako)] Kids Know-It-All-Know-It-All-Know-Who-Go-Na-Na-Kid-Stream ★ ★

(C99) [sagejoh (sage joh)] Mou Kodomo ja nain da yo? | I'm Not a Kid Anymore, You Know? [English] [Nisor]

[Yakisoba Pants (Hiiragi Popura, Grand Deer)] Yanmama o Gaki no Sugata ni Natte Fukushuu NTR | Revenge NTR of a Yanmama in the Form of a Kid [English] {Doujins.com}

Older woman & kid body swap

(C84) [Karasuma Pink Higashiiru (Karasuma Pink)] Niwa ni wa 2-wa Niwatori ga Iru (Kid Icarus) [English] [Yuuta's Blog]

(C90) [Karasuma Pink Higashiiru (Karasuma Pink)] Delivery Angel Land (Kid Icarus) [English] {TheRobotsGhost}

(ShotaFes 3) [Pometeor (Enotou)] Shinyakuseisho (Kid Icarus: Uprising)

[Team Kid (k-ya)] Gotoubun no Hajimete (Gotoubun no Hanayome) [Digital]

(C71) [Otaku Beam (Ootsuka Mahiro)] And and and

[Ootori Ryuuji] Hakase to Musume to Joshu to Inazuma | Professor and Daughter and Assistant and Lightning (Increment RO) [English] [desudesu]

(SPARK8) [Truth Child (Hiatari Shin)] One and Two and a Three and Four (Drifters)

One and Two and a Three and Four

Classroom and Sex and Male Students and Female Teacher

And and and

(C85) [Tokinokouji (Omatsu)] Hachiware to Levi-san [Yoru] | The Black and White Cat and Levi-san [Night] (Shingeki no Kyojin) [English] [Key and Cravat]

[Hiroshiki] Rankou Bitch - Bitch of orgy [Chinese]

[Kojima Saya] Junjou Bitch Harem - Innocent Bitch Harem [Chinese]

[Kojima Saya] Junjou Bitch Harem - Innocent Bitch Harem | 純情痴女後宮佳麗 [Chinese]

[Mikezoutei] Akuma ni Tamashii o Utta haha ga Inma Bitch e to Henbo Shite iku Hanashi | A Story Where My Mom Turns Into a Bitch [English] {Doujins.com}

[Mikezoutei] Akuma ni Tamashii o Utta haha ga Inma Bitch e to Henbo Shite iku Hanashi | A Story Where My Mom Turns Into a Bitch [English] {Doujins.com} [Incomplete]

[Mikezoutei] Akuma ni Tamashii o Utta haha ga Inma Bitch e to Henbo Shite iku Hanashi | A Story Where My Mom Turns Into a Bitch [English] {Doujins.com} [Incomplete]

(C64) [bolze. (rit.)] Baby Bitch / Super Bitch (Uchuu no Stellvia)

[Inoue Nanaki] Kurogal Ochi ~24-jikan Conveni Bitch-ka~ - Black GAL IMMORAL 24H Convenience Store Bitch!! Ch. 1-5 [Chinese] [Digital]

[Inoue Nanaki] Kurogal Ochi ~24-jikan Conveni Bitch-ka~ - Black GAL IMMORAL 24H Convenience Store Bitch!! Ch. 1-4, 7-9 [English] [N04h + Dark Mac]

[Satou Toshio] Hame Dere Bitch | Pretty Bitch ch 1-7 [English] [Doujins.com] [Decensored]

[Anuttsuii] Bitch Fuck Bitch [ENG] ( Home Sweet Home doujinshi )

[Uo Denim] Bitch Frag (Bitch Stream) [English]

[Karasu] Futari wa Onapet + Haru-Bitch | The Two are Fap Materials + Haru-Bitch (MESUhame IKIzome) [English] [N04h] [Decensored]

[rbooks] Seitokaichou Bitch-ka Keikaku ~ Doukyuusei wo Eroero-ka Shite Bitch-ka Shichau Mahou no Saiminjutsu

[Inoue Nanaki] Kurogal Ochi ~24-jikan Conveni Bitch-ka~ - Black GAL IMMORAL 24H Convenience Store Bitch!! Ch. 1-4, 8 [English] [N04h]

[Kasuga Mayu] Bitch Onee-san VS Doutei Futanari Reijou | Slutty Bitch VS Young Virgin Futanari (Futanari Secrosse!! 4) [English] [葛の寺] [Digital]

[Inoue Nanaki] Kurogal Ochi ~24-jikan Conveni Bitch-ka~ - Black GAL IMMORAL 24H Convenience Store Bitch!! Ch. 1-4, 8 [English] [N04h]

[Yukiusagi.] Onikko Bitch | Oni Bitch (COMIC Unreal 2015-10 Vol. 57) [Chinese] [驭灵师个人汉化]