Yuu keeps telling herself there's no way she's joining the student council. Touko wants to stop by a bookstore on her way home and is in for a surprise.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.