They gonna get married n hv a son. At least based on the novel. Hopefully they will adapt the extra chapters to webtoon too. Freaking funny n wholesome (≧∀≦)
https://www.readlightnovel.org/solo-leveling/chapter-192 but I don't know which chapter is it on rn
Spoiler - (BL) Old Injury 陈伤 | Novel Updates Forum
https://forum.novelupdates.com/threads/bl-old-injury-%E9%99%88%E4%BC%A4.89935
I just wanted to question whether they're blood related or not, then just realised the ml (on the cover) is silver haired
it said that they’re half siblings
Ik but now it's a popular trend where the plot twist is siblings or half-siblings are not blood related at all. And then they will become the main cp. So I'm just guessing here yk (=・ω・=)