A story of an time travel where a high school
student Kim Aera meet Jun Hyung the new
student that can travel in time. Jun hyung
and Aera became close to each other. One
day Jun hyung tried to tell Aera about his
power's. Aera tell Jun hyung too that she is
fan of kpop boy group BTS. They try to time
travel together and they got in the time
where Seok Jin (bts member) is 20 years old.
