Chaehyun: handjob
Taking the penis in the hand or stimulating it with the hand.
Kim Chaehyun (Korean: 김채현, Chinese: 金采炫, Japanese: キム・チェヒョン) is a South Korean trainee currently under WAKEONE. She placed first on the reality survival show Girls Planet 999, making her a member of the girl group Kep1er.