I love how he just casually goes up and hugs him ever chapter. Like, he's not even trying to be subtle. And it's cute how he doesn't mind either. They definitely have a thing for each other!
Just kidding XP tell us if you see any suspicious group of boys with a single girl with no chest hanging around town over there, I mean, enjoy your vacations!
And lol true they're a couple, at least it should be obvious for the whole class.