For all the people saying that he’s a minor and that this is pedophilia, they clearly stated already that in this world(the one they’re currently in, you’re an adult when you’re 15. While that’s pretty young irl, that’s not the case here.
Exactly, he's at least 45 based on the novel in the beginning.
THIS!!, I've thought about it too and I realized Chika was 45 in his world.
And the ‘Father of the Year’ award goes to-