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)

[Kiryuu Reihou] Hahaoya Swap - Omae no Kaa-chan Ore no Mono 2 | Mother Swap - Your Mother Belongs to Me 2 [English] [Zero Translations]

[Zero-Tanuki] Ochi Inbo + Ochi Inbo ~After~ | Fallen Lewd Mother + Fallen Lewd Mother ~After~ [English] [desudesu]

[Z-Ton] Zoku Bakumatsu Mother Breed | End of an Era: Mother Breed (Continued) (COMIC Anthurium 010 2014-02) [Chinese] [名潴學園漢化]

[Z-Ton] Zoku Bakumatsu Mother Breed | End of an Era: Mother Breed (Continued) (COMIC Anthurium 010 2014-02) [English] [4dawgz + Thetsuuyaku]

[Z-Ton] Bakumatsu Mother Breed | End of an Era: Mother Breed (COMIC Anthurium 009 2014-01) [English] [4dawgz + Thetsuuyaku]

[Koyanagi Royal] Mother's Side Houkago no Tsuma-tachi | Mother’s Side After School Wives (COMIC Megastore 2011-04) [English] [stecaz]

[Zenmai Kourogi] Haha wa Odoru 2 -Hiru no Haha Yoru no Mask- | Dancing Mother Volume 2 - Mother by Day, Mask by Night [English] [Amoskandy]

[Kiryuu Reihou] Hahaoya Swap - Omae no Kaa-chan Ore no Mono 4 | Mother Swap - Your Mother Belongs to Me 4 [English] [Zero Translations]

[AYA (Umino Sachi)] My Mother (MY MOTHER) [English]

[Touma Ran] Mother Collection | Mother's First Correction (Kinbo Inkan III) [English] [man-machine translations]

Haha wa Odoru 2 - Hiru no Haha, Yoru no Mask | Dancing Mother Volume 2 - Mother by Day, Mask by Night

Hahaoya Swap - Omae no Kaa-chan Ore no Mono 2 | Mother Swap - Your Mother Belongs to Me 2

Mother Collection | Mother's First Correction

Ochi Inbo & Ochi Inbo ~After~ #Fallen Lewd Mother & Fallen Lewd Mother ~After~ by Zero-Tanuki +DesuDesu=

Mother Swap - Mother One Week After

[Azukiko] Single Mother to Issho ni - Boku no Mamakatsu! 1 | Together with a single mother - My sugarmama! 1 (COMIC AUN 2019-12) [English] [Coffedrug] [Digital]

(C96) [Granada Sky (Mogiki Hayami)] Shemale Single Mother no Yukari-san | Shemale Single Mother Yukari-san [English] {Doujins.com}

(C96) [Granada Sky (Mogiki Hayami)] Shemale Single Mother no Yukari-san | Shemale Single Mother Yukari-san [English] {Doujins.com}

Single Mother to Issho ni - Boku no Mamakatsu! 1 | Together with a single mother - My sugarmama! 1

Kinpatsu Single Mother to Icha Love Suru Hon | Sweet Love With A Blonde, Single Mother

Shemale Single Mother no Yukari-san | Shemale Single Mother Yukari-san

[Moya] Halloween Yandere Boshi Kan 2018, Haha no Hi Boshi Kan 2021 | Halloween Yandere Mother-Son Fucking 2018, Mom's Day Mother-Son Fucking 2021 [English] {Doujins.com}

(outside the mother lewd about my stepmother mother)

Mon Haha | A Mother's Agony: Nightly Writhing Of An Slut Elf Mother

Mon Haha | A Mother's Agony: Nightly Writhing Of An Slut Elf Mother

Aokan Mother | Outdoor Sex Mother