[Koyumean (Kazakami Sudare)] Seiyoku Tsuyotsuyo Succubus Ibuki ga Maso Sensei o Ijime Tsukusu Hanashi | The Story of Ibuki, the Powerful Succubus, Who Bullied Maso-sensei to the Extreme (Blue Archive)

Ibuki, a horned succubus, dominates her teacher Sensei with relentless foot tickling that forces him into a battle of laughter and endurance. As the teasing escalates, his strength wanes and his manhood shrinks, leaving only a single pill as the final barrier to his climax. The tension mounts with Ibuki’s gleeful grin and the looming pill promising an ultimate showdown between dominance and desperation.