2015 single by Jung Yong-hwa with YDG
"Mileage" (마일리지; Mailliji) is a song by South Korean musicians Jung Yong-hwa of CNBLUE and Yang Dong-geun (YDG). Released on January 9, 2015, it serves as the pre-release single of the former's debut solo studio album One Fine Day (2015). While filming the television series The Three Musketeers (2014), Jung was inspired by YDG's affection towards his family on set to compose the song. Upon release of Jung's album, the two performed "Mileage" on music programs and talk shows. The song debuted and peaked at number 57 on South Korea's national Gaon Digital Chart, selling over 78,000 digital downloads since its release.