This is cute, and I love the shark teeth anime design trope, but none of these chapters so far have made any real progress to get past the general weirdness of "goofy, persistent guy is an unabashed fan of his fetish".
Like, for sure they'll come to understand each other more properly, and he'll start noticing all the other little things he likes about her, and she'll overcome her insecurities with him always around, but...
It doesn't yet feel like there's any more substance than those manga that are just single pages of "POV: girl you talk to every day goes from tolerating you to liking you eventually". Which are fine and can be sweet, fluffy like candy floss, but usually there's nothing more to it. And I guess I want to see what more there could be already.