Responses
ikr if they proceed with the arrange marriage, even if the child isn't ml's, it would still be weird to reconnect with him specially after ur sister's death. that would cause a ruckus in the family and a whole lot of misunderstandings. but that's why im reading this because i love a messed up plot full of angst

after reading up to chap 16, i despise it a lot when old people ruined others lives just for some dying wish. you won't get to live to see that so why mess everything? as if these children don't have lives and wishes of their own so why control them when you're almost 6 feet under ground? also, i might be overreacting but i hate it when girls code don't exist especially within sisters? sure, we still don't know eun-ah's pov for all this shit but you clearly know yunjeong and cheolyun have mutual feelings. why get in between them when you can easily speak up. also, cheolyun, you dont have backbone if you continue with this arrange marriage.
personally, i'd back up quietly if my sister declared her love first and if the guy feels the same. because if my sister and the guy im in love with get together, get married and have a child, i would be devastated for life. i love my sister but the jealousy and betrayal would be so much i'd distance myself. and i know yunjeong is like that (i might be biased tho)
hopefully im just hella overreacting and the plot will go differently