On KBS Music Bank, H-Eugene and IU joined forces to perform the former's comeback single, Love Warning. The song, which originally featured 8eight's Joo Hee, was instead sung by the red-headed cutie with a fetish for marshmallows. Looking adorable in pigtails and a black dress, IU gracefully executed a vocal performance that surely dropped some jaws and raised a couple eyebrows from the viewers. In the past, CSJH's Sunday collaborated with H-Eugene to perform on multiple music programs. Although IU is much less experienced than her sunbae Sunday (ha! that rhymed), do you think IU was up to par with the CSJH member? Check out an old performance by CSJH's Sunday for comparison. cr: cppig1995 With such a mind-blowing talent from a 16-year-old, it really makes me re-evaluate what I've been doing with my life...