خلاصه داستان : ریویچی یوشیموری یک دانشجوی دانشگاه است. دوست دخترش کیوکو ساوادا از او بزرگتر است، اما او از وقت خود با او لذت می برد. پس از اینکه ریویچی از دوست دخترش خواستگاری می کند، او یک روز ناگهان ناپدید می شود. چند روز بعد بالاخره می بیند

Ryoichi Yoshimori is a university student. His girlfriend, Kyoko Sawada is a few years older but the pair don’t care as they are deeply in love. After Ryoichi proposes to Kyoko, she suddenly disappears. Several days later, Kyoko re-emerges but claims to have no memory of him. With the help of a classmate/lawyer Chiaki Takaharu and his childhood friend Maki Kawai, Ryoichi attempts to unravel the mystery that may be related to the rumours of a memory erasing individual known as Kiokuya.