Wake up by Elaine Kim is the special OST released from the drama It's Okay Not To Be Okay / Psycho But It's Okay. It is a very special song indeed, with a touch of humour. It really suits well with when Go Moon Young said I love you to Moon Kang Tae aggressively, so funny! Enjoy the piano cover!
Other covers of the songs from this drama: /watch/LngrS6Mdg7Aybjf6VeiC-FPVOdrip52wLP=tsil&wBFndz83XnH3r
For Music sheet: https://www.mymusicsheet.com/soipianocover/16709