The Big Sink! The Last Day of the Japanese Archipelago
Tokyo was flooded by a tsunami.
Also, Magma Seijin has the Giras Kaiju as bodyguards, Red Giras and Black Giras.
At this rate, Japan will sink.
Before he flood the town, he must be stopped!
Repel Magma Seijin!
 
Before he flood the town, he must be stopped!
Overwhelmed by Magma Seijin, Ultraseven was no match for them.
However, a new Ultra warrior arrived just in time to save Ultraseven.
