Me and the Alien Mumu Vol 3

Earth has been invaded by a cat-shaped alien. His target? Your appliances. Hiroki Miyashita mixes feline mischief, college comedy, and real-world science in a manga that makes everyday technology anything but ordinary. Come for the cat-shaped chaos. Stay to discover what actually happens inside the machines you use every day. However, a group of Mumu’s fellow cat-shaped invaders from a radical faction arrives in a spaceship to conquer Earth! Will Sakurako, a regular college student and Mumu’s owner, be able to warn her planet about the impending crisis?

Source: Kodama Tales