After a disappointment in love Sora receives an invitation from an app called that takes her back in time.
Edawakare is the driver of Sentaxi, a marvellous vehicle which is able to take a passenger back to his or her “life’s turning point”. His cool appearance is at odds with his talkative, meddlesome, sweet-toothed character. He gives advice to passengers who are flustered after failing in their life’s choice.