The first time they have sex you definitely can argue that Hyesung forced himself onto Dojin. But even then that's a falsehood. Hyesung was far too gone, high on his first heat to use suppressants, so Dojin had sex with him to counter Hyesung's heat naturally. Dojin on multiple times consciously decided to have sex with Hyesung. He uses a condom specifically because of this awareness. Hyesung with his apparent heat would be the equivalent to a drunk person, they may have agreed to have sex initially, but are so far gone in their inebriated state they don't have an awareness that matches with their actions. Essentially it's taking advantage of them regardless as they can't say no as they're too drunk to be cognizant. Dojin knows this but still has sex with Hyesung, he mentions it on occasion even. He then justifies that the sex provides him inspiration so he goes along with it, knowing if Hyesung wasn't in "heat" he wouldn't have the desire to have sex. Plus Dojin doesn't even like Hyesung but feels the pull towards Hyesung only because he is an omega. What you're doing is victim blaming with your statement if you don't take all of this into consideration. Hyesung is actually the one being used more here as he get's nothing out of having sex with Dojin at least for now. Dojin cures Hyesung's heat cycle but it's also spurred on because of their proximity to each other. Hence Hyesung really should leave the flat for this reason. This might be fiction but Dojin has more power in the relationship than Hyesung because of his alpha gender and ability to better control his urges. Plus, with Hyesung overhearing his conversation as to why they keep having sex, Hyesung is now under the impression the sex between them is a business transaction of sorts at least when Hyesung is in "heat". He wasn't in heat this time around so regardless of natural instinct to find Hyesung for sex he did not this time around. As I said before he's not purposely wanting to have sex. Dojin however did this time however, and made Hyesung have sex without even the guise of "heat/rut" which even in the confines of the omegaverse is at least justifiable for forcing the other party. I didn't mean to go on a long rant, but for some mangakas the omegaverse is a satire of how men once thought of women as only just breeding/pleasure purposes, but angered by "women evolving" to roles beyond this in a exaggeration narrative. So really omegas present this stupid idea of the world being forced to make up for this transgression, and fill the void of the archaic role of women. Even omega's heat could be equated to the "hysteria"women suffered in the Victorian era, as men were given liberties to curve this by usually violence or confining women against their will. Again all of this is victim blaming and perpetuates sexual violence and gives the offender excuses for their actions.
Some great points made here.
You just said everything I was thinking! As we say here in Brazil, "lindissima, falou tudo!"
Hyesung literally used Dojin! I understand he was in heat and everything but i dont think its fair that he´s all worked un whe he force himself to Dojin, but well whatever