This reminded me of 19 days (he tian & little mo pair). this has so much potential and the plot is already there. We're heading to the good part but why was this... hanging (yet was said as completed)?
(⊙…⊙ )
anyway, this scene gave me vampire vibe:
http://iweb11.mangapicgallery.com/r/newpiclink/save_me_gently/35/04961492339c272a8b330bbb0a804a45.jpeg
This has the same plot as to that of "One Step From the End".. Oh, well not really. Just the split personality. But compared to that manga (although I hate to compare), Sooha's other personality isn't hateful.
Actually, in reality, we all have this kind of attitude though. Like when we really get upset/angry, a beast inside us would be awakened to protect us from any kind of pain (like a defense mechanism). We hate/afraid this side of us that's why we tend to suppress/hide it from other people so we won't be hated/judged
For me, Ray wasn't another personality but just an attitude. He is angry but he also wanted to be accepted as part of the host (Sooha). And since the host (Sooha) is already happy and secured, there's no reason for him to come out anymore. He has no reason to be defensive/angry because he knew the host is loved and accepted.
Forgot to thank the uploader. Thanks for the effort and sharing this beautiful story. Another one drops into my favorite list. Good work author-nim!