(C79) [Hirusuta (Taira Kosaka)] Yabe Hito Zouryouchuu. (Mitsudomoe)

[Hirusuta (Taira Kosaka)] Mega Micchan (Mitsudomoe)

[Taira Kosaka] Sotsugyou Lost Virgin (COMIC Koh Vol. 3) [Chinese] [粵語]

[Taira Kosaka] Sotsugyou Lost Virgin (COMIC Koh Vol. 3) [Chinese] [粵語]

(C88) [Hirusuta (Taira Kosaka)] Nakiri Oyako no Okuchibon (Shokugeki no Soma)

(C84) [Hirusuta (Taira Kosaka)] Janryuu Ranbu San Shimai (Janryuumon) [Chinese] [霪夫子個人製作]

(C85) [Hirusuta (Taira Kosaka)] Zetsubou☆Locker Room ～Zetsubou☆Rocker Room～ (Danganronpa)

[Hirusuta (Taira Kosaka)] Kamohashi Kei! (Mitsudomoe) [Digital]

(C82) [Hirusuta (Taira Kosaka)] Koi ni Koisuru Koi-chan wa! (Hanza Sky)

(C85) [Hirusuta (Taira Kosaka)] Zetsubou☆Locker Room ～Zetsubou☆Rocker Room～ (Danganronpa) [English] {doujin-moe.us}

(C72) [Hirusuta (Taira Kosaka)] Mitsuba to Issho (Mitsudomoe)

[Hirusuta (Taira Kosaka)] Shimamura-san mou Sukoshi Ganbarimashou (THE IDOLM@STER CINDERELLA GIRLS) [Digital]

(COMIC1☆9) [Hirusuta (Taira Kosaka)] Houkago Hospitality 2 (Shokugeki no Soma)

[Hirusuta (Taira Kosaka)] Neko ni Kotori! (Yu-Gi-Oh!) [Digital]

Kosaka tono-san

Joshidaisei Kosaka Honoka no YariCir Jikenbo

Joshidaisei Kosaka Honoka no Yarisa jikenbo

Joshidaisei Kosaka Honoka no YariCir Jikenbo | College Girl Honoka Kousaka’s Hookup Club Case Files

Threesome with the Kosaka Sisters

(C97) [Dai 6 Kichi (Kichirock)] Joshidaisei Kosaka Honoka no YariCir Jikenbo | College Girl Honoka Kousaka’s Hookup Club Case Files (Love Live!) [English] {Awesome Sauce}