"Going Crazy" (Korean: Michin Geoni (미친거니)) is a solo debut single by South Korean singer Song Ji-eun. It is released as a digital single on March 3, 2011 through TS Entertainment. The song's inspiration came from the producers who have felt they needed to showcase a darker side of Jieun, thus coming up with the idea of a stalking relationship. The song features BAP's Bang Yong-guk, who sings the rap parts of the song. The song's lyrics tells of a fallen relationship in which the protagonist couldn't stand the stalking of her obsessed ex-lover.