Responses
I think he could still be an alien. Cause he says that he was invited by a "space development organization" (NASA) to go overseas. But it could also be him saying that he's going back to the mothership.
We will never know ლ(´ڡ`ლ)
The story end it this way. Author such a teaser （/TДT)/
My lik bro gonna be so disappointed if it just end like this. We been beting sakamoto origin and I always say to him sakamoto is aliens in disguise to learn about human ╮(￣▽￣)╭