Yeah lol, this entire thread makes me feel creeped out, as well as the comments on every chapter. This is why "Incel weeb" needs to come back as a derogatory term.
Probably, but he wasn't really trying to in the first place, he just wanted to be her teacher. There is the fact that probably the reason Rina loves him is because of her admiration when she was a kid, which is a no no. But then again After he left to go on a journey she was able to grow by...