"Self Cultivation Club" or in a much more precise term "Problem Children Club".
Where the members grows more to be a well-suited individual as an advance precautionary measure being a part of the long standing society as they helps the students cultivate and practice further of proper way of living for their everyday life not just inside, but even outside of the campus too. Mannerism, etiquette, and everything down to the very being of a perfect model of a student. Self cultivation club aims for achieving so.
The moderator, Hiyama Takuma says so.
But, no matter how bright he can be or his methods can be, there is definitely one student left unmoved.
The name is Kurahashi Yuu. A 2nd year student and the only sole member of the so-called "Self-Cultivation" club.