Answer
In G-Dragon's music video titled "A Boy," renowned actor Sung Kang makes a special appearance. The video showcases Kang engaging in various activities throughout a vibrant hotel, including dancing alongside G-Dragon, showcasing his playful and charismatic side that differs from his typically serious on-screen roles. Kang's presence adds an unexpected yet intriguing element to the music video, further captivating viewers with his charm and versatility.