(Not those kind of ropes! But hey, if any potential fillers want to try working bondage into this prompt I say go for it.)

Gladio has tons of experience in bed with women, but he's never been with a man before Ignis. Sure, it's not completely different, but some parts of this are still new to Gladio, and Ignis is here to guide him. (Fortunately Gladio is a very quick study.)

+ for Gladio loving the feeling of having a dick up his ass
++ for submissive Gladio