[Type-90] Otaku Common Knowledge [English]
(CR35) [Otaku Beam (Ootsuka Mahiro)] Gogo Gojihan. ~"Five o'clock PM" Hamidashi Hon
The Otaku in 10,000 B.C. Chapter 20
[NCP] Producer no Meirei wa Zettai! Idol Otaku no Ore ga Joushiki Henkan Appli de Idol Haramase Harem!
Senpai-chan to Ore. Geki
SS 3 Edelweiss
The Otaku in 10,000 B.C. Chapter 12