Big Hero 6 The Series - Clip - Big Hero Battle<br />Wasabi fanboys out to a special appearance by K-Pop group '4 2 Sing' <br /><br />Nichkhun Horvejkul guest stars as Kei and Aki and Jae Park guest stars as Taka and Yuka<br /><br />#BigHero6 #BigHero6TheSeries
