Question: What is the meaning of the acronym of the South Korean boy band, U-KISS, who is known for their album named "Bring It Back 2 Old School"?
Sentence (from "Bring It Back 2 Old School"): It is the second mini-album that was released by the entire group minus Lee Kiseop, who joined for the third mini-album "ContiUKiss".
Relevant evidence: No