(C81) [Ajapaa. (Okina Naoki)] Mikansei Identity (K-ON!) Hentai

(C74) [Ajapaa. (Okina Naoki)] Wizard Complex (Ragnarok Online)

(C81) [Okina Keikaku (Shiwasu no Okina)] Daasan no Tame ni Okita Kyouko 32sai B107 a.k.a Okusan wo Namadashi Nikuana Choukyou Shiteoite Ageyou (Okusan) [English]

(C81) [Okina Flying Factory (OKINA)] EXPANSION

(C82) [Ajapaa. (Okina Naoki)] Marionette Syndrome (K-ON!)

(C84) [Ajapaa. (Okina Naoki)] Ita ★ Koto (Magical Suite Prism Nana)

Hakoniwa ROCK LIVE

(C79) [Ajapaa. (Okina Naoki)] Hakoniwa ROCK LIVE (K-ON!)

Mikansei Identity

(COMIC1☆7) [Okina Flying Factory (OKINA)] LOLIPOL

(C66) [Ajapaa. (Okina Naoki)] Kami 66C (Touhou Project)