Whee In has unveiled a track poster for "17," her upcoming collaboration track with Hwa Sa.

This poster contains the silhouettes of both MAMAMOO members under the words "TWO YOUNG GIRLS," with "17" and "Coming soon" written underneath. In addition to "17," Whee In's upcoming solo album 'IN the mood' also features 10 other tracks – "I Know I Know I Know (Beyond)," "In The Mood," "Spark," "Bite Me (feat. HAON)," "Dance 4 U," "On The Island," "Aphrodite," "Breeze," "Bittersweet," and "Here I Am."

Stay tuned until October 12 KST for Whee In's comeback solo album drop!