Over the course of the summer until her graduation, with changes she can't control but also being protected by the mochi which looks over important times, Yuna, a 15-year old student begins to change so that she will not forget.
1969
1998
2006
2023
2014
NaN
1936
2002
2008
2013
2005
1975
1993
2022
1991
1983
1999
1972
2001