Responses
Maybe because Ian is obsessed with Eunsan but he doesn't really violate his boundaries or doesn't take pleasure in seeing him be stressed out/hurt. He loves him enough to the point where he respects him. Even in the earlier chapters before they started their fling, the moment Eunsan became uncomfortable or asked him to back off, Ian was quick to distance himself (or propose distancing himself) from the man instead of hurting him again.
I usually hate when seme’s are obsessive and almost babyish with their love for the uke but for some reason this is an exception, I can’t explain it, but Ian dosent piss me off like at all