She has also launched her own fashion line called Punyus (loosely translated to "chubby" in English), and played the role of Mabel in the musical Fame and Tracy Turnblad in the musical Hairspray.

[5] In 2016, she voiced the character of Ashima in the Japanese language dub of the Thomas & Friends film The Great Race.

[6] In 2019, she was featured in Queer Eye: We're in Japan!, Season 1, Episode 3, "The Ideal Woman".

[7] In March 2021 she announced her intention to move from Japan to the United States the next month.

[9] Watanabe was born in Taipei to a Japanese father and a Taiwanese mother and raised in Ibaraki.