In 2011, she participated in the performer section of EXILE Presents VOCAL BATTLE AUDITION 3 ~For Girls~ to be a member of Flower , but failed and, instead, continued to practice dancing at EXPG.
She joined E-girls in October 2013, replacing Mizuno Erina, who had left the group to pursue acting. Watanabe made her debut with E-girls' seventh single, "Kurukuru". In 2015, she was demoted to trainee level as part of Rabbits.
- Main video
- Diamond Only
- RYDEEN ~Dance All Night~
- E.G. Anthem -WE ARE VENUS-
- Move It! -Dream & E-girls TIME-
- Seifuku Dance