In the near future, a boy, Suzu, is in the hospital. He is a personality plant robot in which Ogura Ryo’s “Personality Unit” was transplanted. The personality unit is a memory unit that stores the human’s memory. The robot that has the personality unit acts acts like the owner of the memory. Suzu was made by the wish of the parents of Ryo who had died, and Suzu is accumulating Ryo’s memory.

One day, Suzu meets a girl, Shimizu Hotori. And they become friends... But then he finds out about something that is happening to Hotori... Watch and see to find out. ^_^