SF9 (Korean: 에스에프나인; shortened from Sensational Feeling 9) is a South Korean boy group formed by FNC Entertainment. SF9 is the company’s first dance boy group to debut. SF9 debuted on October 5, 2016 with the release of their first single album, Feeling Sensation.

The group first performed in Japan on December 11, 2015. The group had consisted of 11 members at that time. They were renamed SF9 in August.

SF9’s debut single album Feeling Sensation ranked sixth on Yin Yue Tai weekly chart and ranked seventh on Yin Yue Tai Monthly Chart. Their promotions for “Fanfare” ended on November 6, 2016 on Inkigayo. The group then started the promotion of their second song of the album, “K.O.” on November 15, 2016. The debut single album “Feeling Sensation” was ranked 78th for its album sales in 2016.

On December 22, 00:00 a.m KST, they released a music video as a gift to their fans with the title “So Beautiful.” The song was originally an OST of their interactive web-drama Click Your Heart. “So Beautiful” is a digital released single.

Their first mini album, Burning Sensation, was released on February 6. It landed at number six on the February 15 Billboard World Albums Chart.

On April 4, it was reported that SF9 would have their second comeback, just two months after they concluded “Roar” promotions. On April 6, FNC announced that the group’s comeback would take place on April 18, with their second mini album Breaking Sensation.

On April 7, SF9 held their Japan Debut Showcase with 1,300 fans in attendance.

On April 18, SF9 released their new six-song EP, titled Breaking Sensation, which includes the title track “Easy Love”. On the same day, the album ranked number two on the U.S. K-Pop Album Chart.

On June 6, SF9 debuted in Japan. On June 7, the Japanese version of their debut single “Fanfare” was released. It ranked number one on Tower Records Chart for single albums and number four on the Oricon Chart.

On September 22, FNC confirmed that SF9 will have their third comeback. FNC Entertainment confirmed, “SF9 traveled to California in late August and concluded filming for their music video. Their comeback is being planned for October”. On October 12, 2017, the group’s third extended play, Knights of The Sun, was released. In December, they released their first Japanese studio album, Sensational Feeling Nine.

SF9’s fourth EP, Mamma Mia! was released on February 26. On May 23, they released their third japanese single “Mamma Mia!”. SF9 held successfully their Zepp Tour 2018 “MAMMA MIA!” across Japan in Osaka, Aichi and Tokyo respectively on May 29, May 30 and June 1. FNC announced that SF9 would hold a South America Fanmeeting Tour in August.

On July 31 they came back with their fifth EP, Sensuous, with the lead single “Now or Never” and its accompanying music video being released the same day. On August 23, SF9 held their fanmeeting in Mexico at Auditorio Blackberry of Mexico City and on August 25 and 26 in Brazil at Tropical Butantã of Sao Paolo. On September 22, SF9 will hold a fanmeeting in Taipei.

On October 27, 7:00 p.m KST, SF9 successfully held their 1st domestic Concert “Dreamer” at Yes24 Live Concert Hall.

Source: wikipedia