abortion in korea (and many parts of the world) is still considered a taboo unfortunately.
if u payed attention to the panels right after she thought about aborting she was reflecting on her orphan life and it's a common thing for those without a family growing up to want someone to have a blood/familial connection with. she looked not to the negative side but to the 'i'll have my own family now and can raise them with love' side. and although the mans a bad memory she did think she loved him when they were together so at least she doesn't have a terrible non-con memory
Ahh yes you're right, I had to read the chapter again for this
This is somewhat irrelevant but genuine question: Why would she not want to abort the child of that man if she had the choice? Not saying in any way that she deserved to suffer because she chose to keep the baby or anything of that sort. But wouldn't the sensible thing to do be to abort?