Upcoming four member girl group E2RE revealed their debut teaser “Deep Night Sad Song” today.

Their debut track is a mid-tempo song and written by hit maker Jeon Hae Sung. The music video features actor Lee Sun Gyun, who had offered to appear in the music video for free, and actress Oh Yeon Seo, who is current Lee Joon‘s wife on the variety show “We Got Married.”

In the video Lee Sun Gyun and Oh Yeon Seo play a couple that are being chased a killer, played by one of E2RE’s members, Hee Jung. The full music video will be released tomorrow, October 31 in Korea.

Created by CS Happy Entertainment, the group’s name E2RE comes from the French word, “étoiler,” which means “stars shining in the sky” and also suggests that they will become stars of the K-Pop industry.