Shitsuji Choukyou Curriculum

Akito and Sakuya are two butlers who serve the same household. Their rivalry extends to every aspect of their lives, from trivial matters like the speed of their hair growth to more intimate challenges.

Their constant competition escalates when they begin to test who can hold out the longest sexually. As they push each other's limits, their professional relationship blurs into something more personal, forcing them to confront the true nature of their bond.