[Kuropoplar (Nyakkuru)] Onsen de 3-gou-kun ga Onee-san-tachi to Seiteki ni Hakadorimakuru Hon (Hacka Doll) [Korean] [Digital]

[Kuropoplar (Nyakkuru)] Hacka Doll 3-gou-kyun no VR Shokushu Simulation! (Hacka Doll) [English] [mysterymeat3] [Digital]

[Kuropoplar (Nyakkuru)] Natsu no Hacka Doll Satsueikai! (Hacka Doll) [English] [mysterymeat3] [Digital]

[Kuropoplar (Nyakkuru)] 3-gou-kun wa Toile (Oshikko) ga Chikai! (Hacka Doll) [English] [mysterymeat3] [Digital]