Sleepground - Female 18 years old Vocals (High and low range) Leader of the band. Playful and hardworking. Cat-like features, pretty. Close with the band members.

Soohyun - Male 18 years old Violinist Calm but has a playful side. Has rabbit ears, handsome. Close with the band members.

Heugakbyeol - Male 19 years old Piano (Keyboard) Very lazy. Laid-back and lethargic. Has long hair tied in a ponytail with a star-shaped hair tie. Handsome. Close with the band members.

Gongryong - Male 18 years old Rapper Very playful and sly. Dog-like features, handsome. Close with the band members.

Rather - Male 18 years old Acoustic guitar Playful and sly. Has a fierce impression, handsome. Close with the band members.

Deokgae - Male 17 years old Bass guitar Timid and a coward but playful (though he gets teased by the band members every day). Dog hybrid. Dog-like features, handsome. Close with the band members.