Four oh Four Hentai (FALL OF WALL4) [ヒュンメル (シア)] Four oh Four (進撃の巨人) [英訳]

(C90) [ARTERIAL HEART (Aotsu Karin)] Satou-san no Ofuro de Gohoushi Hon (Ao no Kanata no Four Rhythm)

(Senka no Toki 2) [Amayonohoshi, Four Leaves Clover (Oze Haruka, Yotsuba Yuiko)] Mitchan no Harenchi Ice o Oishiku Nameru Hon (Touken Ranbu)

[Minor's Escort (Kazasuzu)] Four Murasame to Issho (Zeta Gundam)

[Minor's Escort (Kazasuzu)] Four Murasame to Issho (Zeta Gundam)

(C83) [Four Leaves Clover (Yotsuba Yuiko)] Campanella (Touhou Project)

(Reitaisai 9) [Four Leaves Clover (Yotsuba Yuiko)] Parsee-Ijime (Touhou Project)

(C77) [Nine Four Air (Tomo)] Mitsugetsu (Nurarihyon no Mago) [English] [EHCove + Hennojin]

(C81) [Four Leaves Clover (Yotsuba Yuiko)] Opparusui (Touhou Project)

[Four Season Entertainment Garden (Uzura Purin)] Teitoku no Haitokukan (Kantai Collection -KanColle-) [Digital]

(C72) [Nine Four Air (Tomo)] JABBERWOCKY (Majin Tantei Nougami Neuro)