Rough Draft did this scene (via. Website), I'm not sure who animated this, but I can have my guess.

Sequence Director - Gregg Vanzo

Credited Animation Directors - Myung Nam Jang, Yong Seop Jeong, Young Sik Jeong

Credited Animators - Joon Sik Kim, Duk Hoo Kim, Young Nam Kim, Kyung Wook Kang, Tae Hyun Park, Eun Young Park, Sung Hye Park, Sun Jae Lee, Ho Sik Lee, Kun Lee, Hye Jin Jeong, Mi Sun Yoon, Sun Kyu Kim, Kyu Dae Yeon, Chul Kang, Kyung Sook Park, Su Mee Cho, Yong Bae Won, Jong Sang Kim, Kyu Haw Jo, Mee Sun Jo