(C53)[UROBOROS (Utatane Hiroyuki)] Toppatsusei Empitsu Shoukougun Special Pics (C53)[UROBOROS (うたたねひろゆき)] 突発性鉛筆症候群 Special

[Utatane Hiroyuki] Countdown Sex Bombs Special [English]

(C94) [UROBOROS (Utatane Hiroyuki)] Uzaki-chan wa Yararetai! (Uzaki-chan wa Asobitai!)

Hi.Me.Go.To Special Art

Sex Bombs 1-6 Plus Special

(COMIC1☆14) [UROBOROS (Utatane Hiroyuki)] Namaashi Cardigan (SSSS.GRIDMAN)

[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs Special (English)

(C62) [UROBOROS (Utatane Hiroyuki)] Utatane Japan XX (Yakitate!! Japan, Guilty Gear XX)

(Puniket 37) [UROBOROS (Utatane Hiroyuki)] Cho, Mizugi Kai de Wiseman Denai toka Maji Yurusumaji! (Last Period)

(COMIC1☆14) [UROBOROS (Utatane Hiroyuki)] Namaashi Cardigan (SSSS.GRIDMAN) [Chinese] [靴下汉化组]

Countdown Sex Bombs Special