(C87) [Primal Gym (Kawase Seiki)] Ichaicha Build Fighters (Gundam Build Fighters Try) (C87) [Primal Gym (河瀬セイキ)] イチャイチャビルドファイターズ (ガンダムビルドファイターズトライ)

(SC2018 Spring) [Primal Gym (Kawase Seiki)] Sister Affection On&Off SAO Soushuuhen (Sword Art Online)

(CT29) [Primal Gym (Kawase Seiki)] SAOff AUTUMN (Sword Art Online) [English] [EHCOVE]

(C85) [Primal Gym (Kawase Seiki)] Minna de Ichaicha Infinity (Infinite Stratos)

(C94) [Primal Gym (Kawase Seiki)] SAOn&Off SUMMER! (Sword Art Online)

(C65) [Primal Gym (Kawase Seiki)] PET THERAPY (Ragnarok Online)

(C92) [Primal Gym (Kawase Seiki)] Zutto! SAOff SUMMER (Sword Art Online) [Chinese] [空気系☆漢化]

(C85) [Primal Gym (Kawase Seiki)] Minna de Ichaicha Infinity | Infinite Sex With Everyone (IS <Infinite Stratos>) [English] {Doujins.com}

(CR35) [Primal Gym (Kawase Seiki)] PET THERAPY 2 (Ragnarok Online)

[Primal Gym (Kawase Seiki)] ACTIVE LOVERS type R (Comic Party) [2002-09-30]

(SC2017 Summer) [Primal Gym (Kawase Seiki)] SAOn REVERSE (Sword Art Online) [Chinese] [空気系☆漢化]