[UPDATE] According to this article, Kim Sohye and Na Inwoo revealed to have participated in ‘Her Bucketlist’ OST.

🔗 https://t.co/BUigXBEQ76#kimsohye #sohye #김소혜 #소혜 #나인우 #nainwoo #herbucketlist #그녀의버킷리스트 pic.twitter.com/I3eiEJVYyk

— Sohye Nation 🐧 (@SohyeNation) April 21, 2021