Reika wa Karei na Boku no Joou The Animation

A young man inherits a villa and a mysterious maid named Reika who can sense his desires. The maid engages him in a “72-hour ejaculation management” training where she denies him release for three days, building his desire through various acts of service. Through this arrangement, she manipulates and gains complete control over him, and his dependence grows as he realizes she can read his innermost thoughts.