For Yoo Seon-ho, playing Grand Prince Gyeseong in tvN's historical fiction drama “Under the Queen's Umbrella” was not a walk in the park. During the day, Gyeseong, the fourth son of Queen Hwaryeong - played by actress Kim Hye-soo - is her best-behaved son, who pleases his mother with his academic accomplishments. But at night, he secretly heads to his “haven” and disguises himself as a woman to express his hidden sexual identity.