Honoo no Haramase Tenkousei (2006)

Opposed to his parents' decision to immigrate overseas, Kagami Kazuya has moved into the girls' dormitory of his school. One day, he decides to peep in on the physical exam of the female students. Mesmerized by the sizes and shapes of the girls' breasts, he comes up with an idea to get them all pregnant to control them. Will he succeed?