류형수 <하루>

"Haru" (One Day) is the debut full-length album by composer Ryu Hyeong-su, released on June 30, 2023. Ryu was active in the Seoul National University song circle and the protest-song ensemble "Saebyeok," and is best known as the composer of "Jeo Pyeongdeungui Tange" and "Seoneon 1·2," widely performed by people's singer Yoon Sun-ae. Since 2020 he has been releasing original songs through his YouTube channel "Ryu Hyeong-su TV."

The album includes tracks such as "Neoreul Wihayeo," "Meon Hutnal (feat. Im Jeong-hyeon)," "Gage Mun-eul Naerigo (feat. Yoon Sun-ae)," "Haru 2 (feat. Kim Je-seop)," and "Chingu," with guest vocals by Yoon Sun-ae, Im Jeong-hyeon, Kim Je-seop, Kang Eun-yeong, and Kim Su-rin. A release concert was held on June 24, 2023 at Sowol Art Hall, and recording and mixing were handled by Hwang Gyeong-ha at Studio NOL.