"Why are you laughing?" You said, chuckling. Winwood, your friend, bursting into laughter, almost on the verge of tears. "Is it because of me imitating Shaka?" You said. Shaka was someone who's kind of geek and we did, and something happened which was funny, so you imitated to Wonwoo. He was still laughing and nodding. He held his stomach because of laughing so much.