C94 Self-destruction

[IMGRC = HT]

In the outermost orbit of the alien planet, the already precise spaceship started to deform. A giant cannon that was one-tenth of the size of the spaceship was slowly stretching out from the hatch.

Planet Key - this was the real name of this giant cannon.

With the original artificial sun as the engine, it gathered infinite light and had the terrifying power to destroy planets