Kaji Bannou no Ore ga Kokou (?) no Bishoujo wo Asa kara Yoru made Osewa Suru Koto ni Natta Hanashi

Kannonzaka Kyoya, a tough but slightly unsocial high school boy, is also referred as to “Okan” because of his versatile ability to do all household chores. The part-time job he was introduced to, with expectations of his household ability, was to take care of his classmate in his high school, Takana