NMIXX have released new teaser images ahead of their sixth EP, 'Strange Muse'. In the images, unveiled at midnight KST on the 29th, the members show a more subtle and mature allure. 'Strange Muse' contains six tracks: the title song 'Birthday Wish', plus 'Kerosene', 'RudE TaLK', 'Sing to the Moon', 'Hot 'n Unbothered' and 'WHIP'. Among them, 'Sing to the Moon' (LILY and HAEWON), 'Hot 'n Unbothered' (SULLYOON and BAE) and 'WHIP' (JIWOO and KYUJIN) are NMIXX's first unit songs since debut. According to the comeback scheduler released earlier, NMIXX will reveal concept photos through the 30th, followed by an a cappella highlight medley on October 11, an original highlight medley on the 15th and a music video teaser for the title song on the 18th. The new EP and the title track's music video will be released on October 19 at 6 p.m. KST. NMIXX debuted in 2022 and are known for their genre-mixing sound and dynamic performances.