[Kaki no Tane] Anal Kaihatsu Shisugi Desu! [Kuraudo]

A voluptuous brunette with massive breasts embarks on an intense anal training session, using a ring‑shaped toy and a suction bead to push her limits in a solo, focused experience. The black‑and‑white panels capture her gasps, moans, and the swelling of the bead as a powerful wave of pleasure builds, emphasizing the erotic tension of her solo anal play. The closing credits reveal the title “Anal Kaihatsu Shisugi Desu!” and the creator credits, confirming the R18 adult‑only nature of the doujinshi.