Nicole announced on November 19 that she will be releasing her first solo album First Romance and the music video of its title song "MAMA", catching much attention.

Nicole's solo album First Romance is with the music producing team Sweet Tune and Nicole actively participated in the process of production in order to show a variety of images through this album.

Title song "MAMA" is about a girl who is at home but has an audacious love relationship with her boyfriend. The unique melody accentuated Nicole's charm.

Internet users who heard of this commented, "I'm curious what her album will be like," "When is she releasing it?," and "Her album jacket is so unique."