Geu Ru's best friend and neighbour who joins and helps him run Move to Heaven after she becomes suspicious of Sang Gu's sudden presence in Geu Ru's life. However, her mother disapproves of her working as a trauma cleaner, and she does so in secret. She has been fond and protective of Geu Ru since they first met when they were kids and is willing to take good care of him.
(Source: Wikipedia)