ML had the manners of a arrogant oaf. Great writer or not, courtesy and empathy were apparently beyond his ability or comprehension. When a nasty character like that is the ML, it kind of takes away any enjoyment of the story. Characters like that should only be introduced so they can meet Truck-kun.
Nothing great here. ML had anger issues, his attitude was always hot or cold. I like the FL, spoke up for herself and didn’t let her grand father boss her around. The story line was meh