Wake Up, Girls! Character song series Kaya Kikuma is the first character song single by Kaya Kikuma. It includes her character song and its instrumental, a Kaya solo version of WUG Zoo Zoo, and a short drama.
- Suki Kirai Night
- WUG Zoo Zoo -Kaya Ver.-
- Suki kirai Night (Instrumental)
- Wake Up, Girl ZOO! Short voice story -Quiz Wake Up!-