Yoshiyama Mihane is a 3rd-grade high school student. She is a member of the photo club at her school. The day before her summer vacation, she smells a lavender scent in the science lab and she suddenly gains the ability to leap through time. Fukamachi Shohei is Mihane’s classmate. He actually came from the year 2122 and is a researcher. Shohei lost a drug that allows him to go back to 2122.
