Mayo Chiki! S01 E01 The End of the Earth

Kinjiro Sakamachi is gynophobic. Put simply: he's afraid of women. His life becomes even stranger when he discovers a potentially damning secret about his classmate, Subaru Konoe, who is also a butler for the school sadist. They agree that if Kinjiro will keep Subaru's secret, Subaru will help him overcome his phobia.