July 8, the band released their second single "NO" and the accompanying music video was uploaded on South Club’s official YouTube account. Later that year, Choi Yun-hee wasn't seen performing together with South Club. On September 16, 2017, Nam Tae-hyun announced that they would continue as a four member band from then on and that Choi Yun-hee had left the band due to personal reasons. They then proceeded to have more live performances and guerilla concerts around South Korea. They then started to reach out to their fans from overseas and prepared Music Fan Meetings in Tokyo, Bangkok, and Taipei, where they have received a warm response. On November 18 and 19, South Club held their first official solo concert curated by Kim Tae-won at the Hyundai Card Understage, in Seoul, with the appearances of 10cm, Heize, and Nam Dong-hyun as their guests. Their third single "누굴 위한 노래인가요 (Who Is This Song For?)" was released through digital music websites on December 5. The song itself was based on Nam Tae-hyun's personal love story. He admitted that at first it was supposed to be a warm love song, but that after his lover left him, he rewrote the song to describe his feelings of getting lost. 2018–present: South Club's Europe tour & Japan tour, 20 and other plans At the start of 2018, Tae-hyun announced on his radio show that South Club would be touring across Europe, visiting London, Paris, Cologne, and Madrid in April. On January 27, the band hosted their first Music Fan Meeting of the year in Hong Kong, where they shot a music video for their upcoming album. A few weeks later, South Buyers Club announced that South Club's bassist Kim Eui-myeong left the band due to personal reasons. The band uploaded a video saying that they have a new bassist taking his place. On February 18, South Club performed at the Rolling Hall 23rd Anniversary Concert along with their new bassist Nam Dong-hyun. On March 28, 2018, South Buyers Club revealed that South Club will be touring in several places in Japan. Band members Current members Nam Tae-hyun (남태현) – vocalist, composer, lyricist, guitarist Jung Hoe-Min (정회민) – bassist Kang Min-Jun (강민준) – guitarist Lee Dong-Geun (이동근) – drummer Former members Jang Won-young (장원영) – drummer Kang Kun-ku (강건구) – guitarist Kim Eui-myeong (김의명) – bassist Choi Yun-hee (최윤희) – keyboardist Nam Dong-hyun (남동현) –