Solbi's agency, M.P.Crew, released a teaser video of its new digital single "Angel" on Solbi's official SNS on the 20th.

In the 15-second teaser video released on the same day, the husky and sexy Solbiman's voice tone and the dreamy and sensuous sound drew attention.

"Angel" was participated by Korea's leading producers Cosmic Sound and Cosmic Girl, who produced music by famous singers such as Mamamoo and ONEUS, and is a synthwave genre featuring sophisticated newtrobeats and future disco sounds, maximizing Solbi's unique dreamy feeling. The combination of the trendy new sound, free and challenging image of Solbi, and comfortable tone is also expected by listeners.