As the two lovebirds come closer, Koichi finds himself spending the night at Mitsuru's where the two embrace each other and Mitsuru's warmth and affection brings a sense of calm and peace to Koichi.
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.