42lina has 2 SF9 concerts.

SF9 (Hangul: 에스에프나인) is an eight-member South Korean boy group formed by FNC Entertainment in October 2016. Formerly known as NEOZ Dance and Sensational Feeling 9, they are FNC's first dance boy group. The group is currently composed of: In Seong, Young Bin, Jae Yoon, Da Won, Zu Ho, Tae Yang, Hwi Young and Cha Ni. On September 18, 2023, Ro Woon announced he will be pausing all promotions with SF9 and continue as an actor under FNC Entertainment.