(C67) [Okina Flying Factory, HEIKA HP (OKINA, HEIKA)] SLAVE M (Bishoujo Senshi Sailor Moon)
(C89) [Okina Flying Factory (OKINA)] MYLIST [English] [ATF]
(C87) [Okina Flying Factory (OKINA)] HYAPPEN [English] [ATF]
(C90) [OFF (OKINA)] Himitsu no Kajitsu [English] [ATF]
(C86) [OFF (OKINA)] GAUGE-UP
(C72) [Okina Flying Factory (OKINA)] Rena "A" Slave
(C84) [Okina Flying Factory (OKINA)] Mechiku no Gakko | Female Breeding School [English] =LWB=
[Okina Flying Factory (OKINA)] SAFE ROOM [English] [ATF]
Okina (pixiv artist) Caterpillar
(C83) [Okina Flying Factory (OKINA)] UTERUS-I