Changeman Stage Show at Super Hero Korakuen Yuenchi

In a stage show where the Changeman are seen fighting their usual foes, a Megabeast Empire, Anti-Bio Union show up and wind up defeating them, Juspion, Byclosser, Shaider, Kamen Rider Super-1, Red One, Green Two, Dyna Red, Goggle Black, VulShark arrive assist the Changeman