This is a 15-minute long puppet show that Sunrise (the company that has created Love Live! Sunshine!! and it's predecessor) made as an April Fool's joke. It looks like they put a lot of work into it, though!
2009
1998
2017
1979
1986
1974
2005
2018
1978
2012
2010
2016
2013
2023
2000
2015
2006
