Do you know f (x) 's hit song,' NU ABO? 'Did you know, ABO can also stand for Amber, Benji, and Oppa? Amber joins forces with one of her good friends, Benji of BIG, to battle in a series of games while in Tokyo for SM Town Tokyo. Watch to see who the ultimate winner of the games are! Of course we have some footage of SM Town Tokyo for everyone as well!