BLACKSWAN: handjob
Taking the penis in the hand or stimulating it with the hand.

BLACKSWAN (λΈ”λž™μŠ€μ™„; also spelled as Blackswan or Black Swan) is a four-member South Korean-based multinational girl group under DR Music. They made their debut on October 16, 2020 with their first full-length album Goodbye RANIA.