[Okano Ahiru] Hanjuku Developer - The immature developer

[Tanaka-Ex] Osana Mama - Immature Mama [English] [Dirty Translated Mangas]

[Azamino Keiji] immature

[MemeXILE (Memeo)] immature (High☆Speed! Free! Starting Days) [Digital]

[Tanaka-Ex] Osana Mama - Immature Mama

Immature Mama Chapter 3 and 4 [ENG]

Immature Mama Chapter 3

Immature Mama Chapter 1

Immature Mama Chapter 2

Immature Mama Chapter 4

Kanjyuku & Mijyuku | Mature and Immature

[Kagono Tori] Susundeiru JS Okureta Imouto | Precocious Elementary-Schooler Immature Little-Sister (COMIC LO 2018-06) [English] {Mistvern} [Digital]

Pygmalion no Kyuuseishu wa Seishin Nenrei 7-sai no Big Love Monster. | Pygmalion's Savior is an Immature Monster

Fukanzen Marble - An immature marble

Fukanzen Marble - An immature marble

[Key] Fukanzen Marble - An immature marble [Digital]

[Key] Fukanzen Marble - An immature marble [Chinese] [Aquahydrogen+20220511联合汉化] [Incomplete]

[Akikusa Peperon] Kanjyuku & Mijyuku | Mature and Immature (Angel Club MEGA Vol. 14) [English] [Amoskandy]