A mermaid and the modern-day reincarnation of the Joseon-era Se-hwa. She falls in love with Heo Joon-jae, erases his memories to save him, and struggles to survive on land without his love. After being shot to protect him, she miraculously recovers and eventually returns to him, ending their tragic cycle.
The mermaid and con-artist who fall in love across different worlds
Jin-joo acts as a mother figure to Se-hwa in Seoul
Rival for Joon-jae's affection
Explore the full interactive character relationship map of The Legend of the Blue Sea