
HAHAA i think y'all are misunderstanding something here... director park jiwoon has known suha's family ever since around junior high so it's natural that he knows suha's sister. Technically, suha is older than jiwoon so suha is the director's hyung. But due to their position difference, jiwoon is higher in terms of status.
Spoiler alert as I'd read the raws already
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As you guys probably already know from previous chapters, the president of IZ Group is Director Park Jiwoon's grandmother. In the season finale, she has a talk with Suha and requests that he come and work with her from then on, and also to help "Dohyuk" in the future when he needs it. Then, Executive Park Do Hyuk arrives at the scene. Here, it is then revealed that Suha has taken care of this Park Dohyuk in the Park family in their high school days. (Just like how he's taking care if and serving under Park Jiwoon right now.) Apparently, Dohyuk and Suha is of the same age and they went to high school together.
Since it's the season finale, they didn't outright specify the details but from what i gather, i can guess that dohyuk is probably Jiwoon's hyung/cousin/relative in the park family?? Not sure whether they're biologically related or not because they have different physical traits i.e. hair colour and facial features. Not sure but dohyuk is most likely a rival - of sorts? - of jiwoon. Probably an antagonist into suha and Jiwoon's newly found relationship.

HAHAA i think y'all are misunderstanding something here... director park jiwoon has known suha's family ever since around junior high so it's natural that he knows suha's sister. Technically, suha is older than jiwoon so suha is the director's hyung. But due to their position difference, jiwoon is higher in terms of status.
Spoiler alert as I'd read the raws already
.
.
.
As you guys probably already know from previous chapters, the president of IZ Group is Director Park Jiwoon's grandmother. In the season finale, she has a talk with Suha and requests that he come and work with her from then on, and also to help "Dohyuk" in the future when he needs it. Then, Executive Park Do Hyuk arrives at the scene. Here, it is then revealed that Suha has taken care of this Park Dohyuk in the Park family in their high school days. (Just like how he's taking care if and serving under Park Jiwoon right now.) Apparently, Dohyuk and Suha is of the same age and they went to high school together.
Since it's the season finale, they didn't outright specify the details but from what i gather, i can guess that dohyuk is probably Jiwoon's hyung/cousin/relative in the park family?? Not sure whether they're biologically related or not because they have different physical traits i.e. hair colour and facial features. Not sure but dohyuk is most likely a rival - of sorts? - of jiwoon. Probably an antagonist into suha and Jiwoon's newly found relationship.

So i've finished s1 korean raws and NO, dowan is unaware about chamin's condition... spoilers ahead...
so chamin (obviously flustered) replies that he needs time to think. dowan is surprised that he wasn't rejected immediately and is anxious for his reply.
that night, dowan could not fall asleep and went to the kitchen to get water. chamin, with his condition, gets up around the same time and went out his room to look for dowan as usual. chamin hugs dowan and kisses him. dowan wonders if this is his answer... (nooo dowan ) and they proceed to have mind blowing sex lol. (i swear to god, dowan's stamina and endurance lol) after probably the most sexiest scenes we have ever seen in this season, and after dowan is (finally) satiated, he asks chamin to stay with him till the morning. chamin (totally fucked out by then) falls asleep immediately.
next morning, hello sunshine HAHAHAHA chamin wakes up next to mr hotness naked and freaked out. he falls off the bed and accidentally touches one of the many used condoms and is terribly confused. seasone one ends with chamin asking dowan "why am i here?"

So i've finished s1 korean raws and NO, dowan is unaware about chamin's condition... spoilers ahead...
so garam is gonna be a real asshole towards dowan and all. he's gonna smugly ask dowan that he still hasn't tell chamin that he's gay but before dowan can reply him, chamin overhears their conversation and finds out. later on at home, they drink and talk. dowan confesses his feelings and said that he doesn't want to be friends, he wants to date him. chamin (obviously flustered) replies that he needs time to think. dowan is surprised that he wasn't rejected immediately and is anxious for his reply.
that night, dowan could not fall asleep and went to the kitchen to get water. chamin, with his condition, gets up around the same time and went out his room to look for dowan as usual. chamin hugs dowan and kisses him. dowan wonders if this is his answer... (nooo dowan ) and they proceed to have mind blowing sex lol. (i swear to god, dowan's stamina and endurance lol) after probably the most sexiest scenes we have ever seen in this season, and after dowan is (finally) satiated, he asks chamin to stay with him till the morning. chamin (totally fucked out by then) falls asleep immediately.
next morning, hello sunshine

That part was in the future i thought that was obvious

so spoiler alert... for those who wants to know what's gonna happen, i already finished the raws..
so (conscious) chamin will find out that dohwan is gay and dohwan will confess his feelings to him. chamin says he needs time to think about it. but then night falls, and hOrNY chamin goes to dohwan (again boi). as dohwan doesn't know about his condition, he takes it that chamin is reciprocating his feelings. so they have pent-up sex (it's really sexy, i think probably the sexiest times they'd had) and goes to sleep together on the same bed to the morning. conscious chamin wakes up in shock and has no idea what happened ; end of season one hahaha
CAIN has joined the group chat.