[Manguard (hani)] Kyonyuu Joshidaisei Kairaku Choukyou -Kusuguri & Spence Nyuusen Kaihatsu-

A busty female college student is bound with chains, her arms raised as she endures relentless tickling and nipple torment. Her frantic cries for the bathroom and uncontrollable laughter reveal the intense, mind‑breaking pleasure of the training. The sequence builds to a climax where she collapses, exhausted yet still yearning for more as the torment persists.