Her fandom names are Mameldan (Marshmellow People), Shirokuma (White Bear), and Xiaobai Xiong (Baby White Bear).
Mashiro joined JYP Entertainment as a trainee in 2016. She was there for 2 years. She left in 2018.
Mashiro then joined 143 Entertainment as a trainee on May 26, 2021
On July 7, a prologue trailer for Mnet's survival show Girls Planet 999 unveiled that she would be a participant in the show. A profile for her was dropped on July 19. The show premiered on August 6 and ended on October 22. She made it to the finale episode, and finished at rank 8. Meaning she won a spot into the project group Kep1er.
|Girls Planet 999 - O.O.O J-Group ver.||July 16, 2021|
|Girls Planet 999||August 6, 2021 – October 22, 2021||Mnet|
December girl - DUMDi DUMDi performance
- Her MBTI is INFP
- Her motto on Girls Planet 999 is "Charming marshmallow from overseas"
- She almost debuted in a girl group from Stone Music and Pledis with Lee Gaeun, Huh Yunjin, Natty, Lee Haein, Bae Eunyoung, and Lee Sian
- She used to be a trainee from 143 Entertainment
- Mashiro thinks she looks like a cat
(Credit to kprofiles.com)