[Nagashima Chousuke] Kigenzen 10000 Nen no Ota Ch. 1-25 [ながしま超助] 紀元前1万年のオタ 第1-25話

[Nagashima Chousuke] Kigenzen 10000 Nen no Ota Ch. 1-14

[Nagashima Chousuke] Kigenzen 10000 Nen no Ota | The Otaku in 10,000 B.C. Ch. 1-26 [English] [Natty Translations, Lazarus H]

[Nagashima Chousuke] Kigenzen 10000 Nen no Ota Ch. 1-17

(C89) [Horizontal World (Kinnotama)] Youko Kakusei (Sennen Sensou Aigis) [English] {doujins.com}

[Nagashima Chousuke] Seireki 2200 Nen no Ota [Digital]

[Nagashima Chousuke] Kigenzen 10000 Nen no Ota | The Otaku in 10,000 B.C. Ch. 1-5 [English] [Natty Translations, Lazarus H]

[Nagashima Chousuke] Seireki 2200 Nen no Ota

[Nagashima Chousuke] Kigenzen 10000 Nen no Ota | The Otaku in 10,000 B.C. [English] [Natty Translations, Lazarus H]

[Nagashima Chousuke] Seireki 2200 Nen no Ota Ch. 1-9 [Digital]

[Nagashima Chousuke] Seireki 2200 Nen no Ota Ch.1-10 [Digital]