Haruka Awayuki is a first-year student at Shikoneda Gakuen High School. In fact, she is the only daughter of the soapland "Awayuki". She is called "C's Cupid" by the students at the school who are troubled with sexuality, and she works as a sexual trouble counselor. She has a "FROM C" policy, ranging from trivial trouble-shooting at C to mediation for her first-time partner!