The 11-year-old Kotoko Iwanaga is kidnapped by YÅkai and asked to become Goddess of Wisdom. 6 years later she visits Kuro Sakuragawa, a man whose life she previously saved and fell in love with, despite his having a girlfriend, Saki Mihara. She kept track of him for two years until the present day when Saki breaks off their engagement. Kotoko immediately asks to date him. Kuro explains Saki broke up with him after they saw a Kappa and he ran like a coward...