Bokunchi no Maid-san-tachi.

A boy named Shota Hinata lives with a maid named Arisa Kurotsubaki. She is described as intelligent, attractive, and flawless, yet she maintains a mysterious and expressionless demeanor. Despite this, she often teases Shota and behaves in flirtatious ways while performing her duties. Shota, who is fond of her, attempts to uphold his sense of masculinity to be worthy of her. The story explores his efforts to maintain his dignity while dealing with her teasing behavior.