Yves has been played on NTS shows including The Do!! You!!! Breakfast Show w/ Charlie Bones, with Istanbul first played on 18 October 2016.

Ha Soo-young (하수영; born May 24th, 1997), better known as Yves (이브), is the ninth member of the South Korean girl group LOONA, leader of its third sub-unit LOONA/yyxy, and a Korean soloist under PAIX PER MIL.

Yves was born in Busan, South Korea and she had dreamt of being a singer from a young age. Yves grew up to become a vocalist, dancer, and rapper in LOONA. In high school, Yves was on a dance team, however she hid it from her disapproving mother, eventually revealing it to her in Grade 11. Before debuting, Yves trained for 3 weeks, having one of the shortest training period out of the members of LOONA.

On November 27, 2017, Yves debuted as a member of LOONA with the solo single album Yves, as part of the pre-debut "Girl of the Month" project under BlockBerry Creative. The single album included lead single "new", which was described as "the first track released in the genre of Soultronica in Korea". She was featured on numerous LOONA projects prior to the group's debut, such as "The Carol 2.0" released on December 13, 2017, featuring members ViVi and Choerry, and "Girl's Talk" released on December 18, 2017, a duet with member Chuu, which was included as the B-side track on Chuu's pre-debut solo single album Chuu.

Following a partial win against label BlockBerry Creative granting her a temporary injunction from the company on June 16, 2023, Yves announced that she would be pursuing solo activities. On March 13, 2024, it was revealed that Yves has officially signed with PAIX PER MIL to manage her solo musical activities. On signing with the label, Yves says "I joined PAIX PER MIL because I want to offer fans something unexpected. I'm on a journey to find 'serenity,' and being part of a label that values individual peace and diversity feels like the right fit."

On May 14, 2024, Yves launched her official fanclub website and announced her first solo showcase "LOOP" in support of her first mini album. Hours later, PAIX PER MIL formally announced through a press release that her first mini album LOOP would be released on May 29, 2024. The EP includes four tracks of various genres "from folk to alternative R&B, […] expressing in a variety of ways what Yves found as she looked into herself."