[RETRO (Kiba Satoshi)] Kono Kouma no Musume-tachi to Nengoro na Kankei o! (Kono Subarashii Sekai ni Syukufuku o!)

When Kazuma is urged to join the mischievous Yunyun, he finds himself drawn into a whirlwind of unexpected passion. As the boundaries between them blur, a much more intimate connection begins to unfold, leaving Yunyun overwhelmed by a sensation that feels far too good to resist. What starts as a simple interaction quickly escalates into a deeply physical experience that leaves her breathless and wanting more.