Takopi's Original Sin (manga)

Deceptively cute alien Takopi lands on Earth. Now, what is Takopi’s mission? To be taken to our leader? No, it’s to spread happiness throughout the universe! The first person he meets is depressed fourth grader Shizuka. (Or is it...?)

Takopi resolves to do whatever it takes to make Shizuka smile again. But his misguided attempts to cheer her up with his advanced alien technology and ability to turn back time only result in death and mayhem. What is the truth Takopi can’t remember? And what must the alien octopus with a heart of gold sacrifice to truly help Shizuka and her friends...?