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A Dom Sub relationship is built around trust and communication...they don't communicate. The Dom didn't even ask the sub about limits or even established any safewords. He keeps assumimg the sub will like this or that based on the fact that he's a masochist instead of simply asking and getting to know his sub. He's suppose to be experienced, so I don't get how he could make so much mistakes.
(lol, not my virgin ass rambling like some expert)
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I just found out today that this has a novel and i just came back from reading the first few chapters. The dom actually asks him alot what he likes and what he's okay with. If he tried something out before or not. He like made sure to ask him about everything before starting any play and kept observing to make sure he's not in pain or uncomfortable. They made it clear in the novel but i guess the manhwa just skipped over these details to get right into the smut lol
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https://www.novelupdates.com/series/ang-ang/ here you go~
I guess this has been dropped then ಥ⌣ಥ