If this hasn't had the best development I don't know what has. One of my personal favourite romance manga and I'd give it a 9.5/10 the slight cut only Cuz the ending felt a bit rushed but It didn't bother me a lot. This is very realistic and I confirmed this when he was helping the president of...
Haruto is actually one of my favourite MC's I've ever come across. He has that certain level of maturity and masculinity you don't see in other mangas or hasn't been developed properly