Prince Vegeta granted himself a brief relief from battle between the legs of Bulma, a slave from Earth. Growing attached, Vegeta freed Bulma and returned to war. She loved him, but knew the two could not be together. She kept her pregnancy a secret. 8 years later, now a war hero, Vegeta meets Trunks in a crowd and unknowingly becomes his son's mentor. Lost love reblossoms again.

In a world ruled by demons, Keiko works as a dancer by night, waitress by day to pay for her mother's medical expenses. After she is sold to Prince Yusuke Urameshi, feelings erupt and the main person who has a problem with that is Yusuke's fiancée. Partly inspired by Kohaku Minamoto's Second Time Around.

Yusuke's classmates and loved ones are captured in an effort to lure Yusuke out and everyone discovers he's a spirit detective. He and his friends are forced in another tournament in the demon realm to protect their loved ones. They all thought he was the monster when all along he was the protector.