HEY! Darling EP is the first mini-album released by Katahira Rina.
Released Date: 2020.09.09
3.Hoshizora (星空; Starry Sky)
4.Mizu no Naka no Taiyou (水の中の太陽; The Sun in the Water)
5.Darling acoustic guitar mix
6.HEY! acoustic ver. from studio live 2020.7.5 with JUN MATSUE (Bonus Track)