[4] Born in Nagasaki Prefecture, Japan,[5] Yoshida moved to the United States when she was in her first year of elementary school due to her father's job transfer, and she grew up in Anacortes, Washington.

[4][10][11] After spending 16 years in the United States, she moved back to Japan,[3] where she worked as a business consultant for an American company at their Japanese branch.

[3][6][12] After posting more English lessons, her channel began attracting a following, and after 1.5 years, she decided to focus on her YouTube career full-time after receiving job inquiries from several companies.

[4] In 2014, Yoshida opened a second YouTube channel, Japanagos, which features educational videos about Japan to her overseas viewers.

[15] In April 2020, Yoshida took a hiatus from her channel following criticisms of her decision to return to Japan from Malaysia at the height of the COVID-19 pandemic.