However, her existence is controversial due to the discovery of evidence that points to King Uija's mother as being Queen Sataek and not Seonhwa as indicated by historical records.
The children's song is called Seo Dong Yo (서동요; 薯童謠), which tells a secret love story of a Princess Seonhwa sneaking out to get together with Seodong every night.
Soon, hearing the news of all the children in the whole city going around singing the song, the King Jinpyeong goes through the roof and expels the Princess Seonhwa out of Gyeongju.
On her way to a place of exile, the Princess Seonhwa met Seodong and fell in love with him, ending up go over to Baekje to live with him.
Princess Seonhwa asked the King Mu to build Mireuksa in Iksan, North Jeolla Province.