Choi Yeon-sung (Korean: 최연성; Hanja: 崔然星, born November 5, 1983), also known as iloveoov, is a retired professional Korean StarCraft player, and formerly a coach for the Afreeca Freecs' League of Legends team.

The 'oov' in his nickname is believed to be the ASCII emotion icon of a face and two fingers forming letter 'V' which stands for victory.

He announced his retirement as a pro-gamer as a result of a wrist injury, to become a coach for his team.

[5] In 2016 SK Telecom T1 disbanded their Starcraft 2 roster and Choi became head coach for the Afreeca Freecs League of Legends team.

[6] He led the team to a quarterfinals berth at the 2018 League of Legends World Championship but was ultimately defeated 3-0 by Cloud9 and eliminated.