妈妈的朋友2022

A man with a troubled past decides to turn his life around after a heroic act by training for a mixed martial arts tournament.

　　In the near future, aliens have invaded Earth and declared a galactic war resulting in thousands of human casualties. To save Earth, a team of four teenage astronauts brave the alien wilderness of a distant planet to stop an assassin from changing the course of history forever.

 时长半小时的短片。故事是发生在TV版中途的番外篇，突出两位女主角的位置，并附带“歌姬”设定……主题曲延用TV版前半部的OP（但收录进剧场版时被取消）。