- Miria and Akari meet Miria's mother's younger self in episode 14 along with Miria's younger self. Miria's older self told to her not to give up on her dreams and her daughter, even though it's hard due to her career. She sincerely thinks her daughter to be important though she is busy.
Celine Bright is Miria's mother. She is a good singer and famous worldwide celebrity, dubbing her as the famous Queen of Pop.
- Her name may be a reference to "Céline Dion".