Based in past spoilers, no. He will lost his mind, almost die, survived, amnesia (real amnesia), seo haeyoung took care if him, he lied to haewon, he became 180° from his usual self, almost harm haewon again but hold himself back so haewon don't die/run again. Haewon lived happily thinking he's in love with seo haeyoung, those other bastards gone from his life (there's others omitted)

Am I the only one who is still reading it, expecting that Haewon would finally get the revenge he deserves?