Takashi Hayama (Nijiro Murakami) is a third year high school student. He falls in love with Azusa Oribe (Akari Hayami) at first sight and they begin to date.
One day, Azusa tells Takashi "people who meet me, forget about me several hours later."
Takashi doesn't believe Azusa, but by chance he realizes that he forgot about Azusa. So he won't forget Azusa, Takashi begins to leave a note for himself and Azusa.
Hundreds of years after Yoshihiko (Takayuki Yamada) saved the world from the God of Darkness Desutaku, the world changes into the dark age again. Yoshihiko and his group are revived by Buddha's power and travel all over the world. Can they save the world again?
Kazuko Yamase (Aoi Morikawa) is a 23-year-old, broken-hearted freeter. One day, she sees a knitted teddy bear that really appeals to her. She decides to buy it. Later, the knitted teddy bear suddenly speaks! Within the teddy bear, Yasuo Amano's (Sho Aikawa) spirit lives. He is the person who knitted the teddy bear and he was also detective. Kazuko then becomes involved in a case with Yasuo and helps to solve the case.
Sumi is 65-years-old and still a single woman. When she was younger, she worked at a flower farm and flower shop run by her family. Sumi wanted to go to college, but she had to take care of her grandmother, who got in an accident, and general household affairs. After her grandmother, Sumi also had to take care of her father and mother. Now, Sumi is 65 and she has never had a boyfriend. She is proud that she worked so hard, but now she wishes she could live a new life and become young again.
One day, Sumi wakes up and finds herself with the appearance of a 20-year-old.
Momoko Hasegawa works at a funeral home with mop in hand. She also possesses the ability to travel back in time whenever she makes physical contact with the belongings of a deceased person with unfinished business in life. She then has the chance to prevent the death of the would-be deceased.