Struggling high schooler Miyui Mashio is transported back to 1991, where she attends school with her quarreling parents—realizing she must form an idol group with her mother to help her parents fall in love, or risk never being born.
1987
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2002
2001
1972
1936
2027
1996
1983
1963
2009
1971
1957
1989
2007
2017
1991
2000
