Bondage 101 (2004 Anime Series) - Season 1 (Episode 2 Added)

Kyoichi Shizuma is hired by the prestigious Ryuei College, which secretly operates as a facility for training sex slaves. Tasked with "educating" three students—Yumiko, Asuna, and Tomo—Kyoichi must transform them into obedient subjects to secure his permanent teaching position.