Memory Erasing Device
	A contraption found on Invader's Mothership.
	A large looming device onboard their ship, once launched it resembles a flying toy Oni with a target in the center of it's chest.
	Erases the memories of all Earthlings who have had contact with aliens.
	When Ataru refuses to tell Lum that he loves her, she decides that she will leave Earth with her alien friends and family and erase all the memories of the humans she became friends with. Benten tries to stop her but winds up activating the device instead.