With how there's been a pattern of author making one good wholesome scene followed by a soul-crushing one, as nice as this chapter was, I can't help but feel anxious about next one.
That fear aside.. headcanon, what if Daiki is also Omega? We've seen most Alphas here are bigger than Juhyeok, but Daiki's build is quite similar to Juhyeok, both in terms of height and muscles.