@Erza Elizabeth it is indeed quite incomplete. Usually the ending are hard to execute properly. It's the one thing everyone struggles with because once you're in so deep you kind of forget everything, and now that you've been carrying around the plot for so long, you don't quite know how to put it to a proper end. I'm sure the author had some struggles with the ending and figured this was the best ending at the time. Though not very satisfying I'm glad they included Ayeon getting a happy ending, and Soyeon learning a lesson when it comes to greed and power.