Complex sentence: Shigure is the student council president and hugely popular with the ladies, he comes across as sweet but that is a front to a person who is out to get girls to confess their love to him so he can reject them for fun.
Split into simpler sentences: Shigure is the student council president and hugely popular with the ladies. He comes across as sweet so he can get the girls to confess their love to him and then reject them for fun.