So a lice triangle where they all love each other, and the one not in a relationship is gay? I don't like yaoi, but this seems to be pretty tame and realistic so I'll give it a chance
I don't think his physical abilities are too bad. Muscle and fat are different things, and he probably as quite a few kilos of pure muscle under that fat. I'm not sure how easy it is to exercise with that frame or if he could swim, but couldn't he still work out individual parts of his body with...
I kind of want him to go to uzaki's house right after going to the gym and walk there with her father and just end up having an walk that either gets progressively more awkward or/and until they get to the front door