Leveling Up My Isekai’d Abs

Sung Suwoo has it all he’s handsome, strong, and popular. His only problem is he can’t grow abs no matter how much he trains! After being dumped by his girlfriend for having a flabby tummy, he gets isekai’d into a webcomic universe! Can he successfully return if his only ticket back home is by becoming the hottest male character of the romance genre with S-rank abs?