Michiko Sugata

From out of the arctic comes a gigantic flying, fire-breathing turtle that sets its sights on destroying Tokyo.

An atomic explosion awakens Gammera--a giant, fire-breathing turtle monster--from his millions of years of hibernation. Enraged at being roused from such a sound sleep, he takes it out on Tokyo.

A man of questionable birth peacefully raises flowers, but after he masters a special sword-fighting technique, his life takes a dark turn.