[NIKKA, Kokuritsu Shounen (Mario Kaneda, Imamura Youko)] National Kid 7 (Seiken Densetsu 3) [English] {SaHa}

[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}

[Goshi (goshi)] Tou x Ko Mari Hon 1 | Thief King x Kid Mari Book 1 (Yu-Gi-Oh!) [English] {Hataraki Bachi Translations} [Decensored]

[Karasuma Pink Higashiiru (Karasuma Pink)] Ore no Mamono wa Kayukunai (Kid Icarus) [Digital]

[Pinky☆Crown (Nanahoshi Suama)] Pittokyun to Misshitsu ni Itara○○shichauka mo Shirenai (Kid Icarus)

(C62) [Aberyu, Kid's World (Abe Ryuu, Hidaka Suzune)] Momo no Shizuku (Air)

[Sasahara Yuuki] Want to be a kid

[Tachibana Seven (Tachibana Seven, PLASMA KID, NAKADO)] Limit Break Lv. 1 (Final Fantasy VII) [English]

(C95) [GreenHouse (Uno Ryoku)] Hagure Servant Abby-chan wa Warui Ko | Stray servant Abby is a bad kid (Fate/Grand Order) [English] [Burger]

(C95) [GreenHouse (Uno Ryoku)] Hagure Servant Abby-chan wa Warui Ko | Stray servant Abby is a bad kid (Fate/Grand Order) [English] [Burger]

[NIKKA, Kokuritsu Shounen (Mario Kaneda, Imamura Youko)] National Kid 7 (Seiken Densetsu 3)

[Anthology] Sora Hira-sen Soraizun - Mata Yararechatta (Kid Icarus)

big kid!

Billy The Kid: Kegareta Eiyuu

Kodomo no Riron | A Kid’s Theory

A Kid’s Theory

Naruco Hanaru Works7 - Erotic Kid Erotic Chair

Billy The Kid: Kegareta Eiyuu ;3

I'm Not a Little Kid!

Kid's Toy

[Zaki Zaraki] Giji Taiken | Indecent Kid Experience Ch. 1-8 [English] {Mistvern}

[Zaki Zaraki] Giji Taiken | Indecent Kid Experience [English] {Mistvern}

[Kid] Trust My Lies (Fate/Grand Order)

Kodomo janai | I'm not a kid anymore!

Yanmama o Gaki no Sugata ni Natte Fukushū NTR | Revenge NTR of a Yanmama in the Form of a Kid

Don't Treat Me Like a Kid

Yanmama o Gaki no Sugata ni Natte Fukushuu NTR | Revenge NTR of a Yanmama in the Form of a Kid

Mou Kodomo ja nain da yo? | I'm Not a Kid Anymore, You Know?

Jeanne Dack Pounding Kid 01

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