Suzu Natsume

Fukada plays Mai Aida, a woman in her third year as an english teacher at a private all-girls high school. Due to declining enrollment, the school decides to admit its first male students. Those five freshmen initially feel they're in paradise, but the concerned Mai tries to help them adjust by creating a social dance club and inviting five girls. Those ten students become the focus of the drama, which is described as a story of love and adolescence. (wiki.d-addicts.com)

On her 16th birthday, Asagiri Kanna, a shy and bullied girl is abducted and taken to attend a new school. There she finds out she has been promised to marry the demon king, Kaki Kitou. Neither of them seem to be happy about it. (imdb)