Getting thirsty about a shark teeth might be good, but if you want to appeal to the major audience in shounen manga, you've got to aim for the romcom with the looser type of MC. That might be the most basic formula out there, but is the easiest way to connect with the demographic you are aiming at. If you make the yuri type, you can get hot and steamy but eventually it'll loose the appeal because you can't live with poster material alone. It might feel cheap but is not bad, if you look at it is just like komi san but with the abs, mean look and shark teeth but still people like it.