When the planet Brigadoon appears in the sky, Marin is attacked by weird mecha called Monomakia. In an old shrine, she finds an ampoule that contains Melan, an angular blue mecha who swears to defend her.
1961
2006
1987
1996
2000
2017
1992
2004
1999
1994
1991
2019
1980
2013
2012
2014