Global boy group ASTRO has reaffirmed their expanded musical capabilities as an artist, announcing the spectacular return of the Summer Kings.

At midnight on July 28th, the highlight medley video of ASTRO's 8th mini-album 'SWITCH ON' was released through the official SNS channel of ASTRO (MJ, Jinjin, Cha Eunwoo, Moonbin, Rocky, and Yoon Sanha).

In the released video, ASTRO overwhelmed the fans with their captivating visuals that you can't help but fall in love with and their sensual visual beauty that matches the beautiful melody of the B-side tracks.

The title track 'After Midnight' is an up-tempo pop song with an attractive disco-based funky beat, and where you can feel the refreshing energy of ASTRO. Member Cha Eun-woo participated in writing the lyrics, drew a lot of attention. While ALYSA, who composed 'Snow Time and Sean Michael Alexander, who composed 'Lion Heart' and 'Heart Shaker, also participated in the composition, doubling the coolness of ASTRO that shot the hearts of fans.