@yudh08 I haven't read the LN but from what the manga has done so far I highly doubt they're going to be like "and then they hated each other forever. the end."
this manga is in a weird place for me because its one of my favs but also i hate 90% of the characters. The mc is just so appealing to me that i can excuse every other character being completely boring.
I get that the scene where he's telling Mear she's improving is supposed to be uplifting, but since his face is covered in shadow it ends up being more terrifying tbh