Heesun (희선) is a South Korean singer. She is a former member of the girl group PinkFantasy and its subunit Sugar Powder.
2018–2019: Sugar Powder, PinkFantasy
Before PinkFantasy's debut, she was a part of the group's subunit Sugar Powder, the trio never debuted and was mostly used to promote the full group's upcoming debut.
Heesun was introduced as a member of PinkFantasy on July 4, 2018. She made her official debut with the group on October 24, with their first digital single "Iriwa".
On October 18, 2019, it was revealed that Heesun had left PinkFantasy.