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. The group debuted on October 5, 2016, with "팡파레 (Fanfare)" taken from their debut single album FEELING SENSATION. In 2017, the title track of mini album, Knights of the Sun, "O Sole Mio" skyrocketed their popularity. In 2020, SF9 released the album First Collection which performed well on the charts and helped them get their first win. In 2021, SF9 participated in MNET's show KINGDOM, which helped them a lot with their popularity for their charming personalities and breathtaking performances. From October 2016 to January 2023, the group has released 12 mini albums: Burning sensation, Breaking sensation, Knights of the sun, Mamma Mia, Sensuous, RPM, 9loryus, Turn over, Rumination, The Wave OF9, THE PIECE OF9 and Sequence, and as for full album(s): First Collection, a special mini album: Special History Book, And also a single album: Feeling Sensation.