[4] Yoshitani was very shy as a child, and her mother, concerned about her shyness, enrolled her in a theater company, which led her to enter show business.
[5] She made her debut as a child actress at the age of four in the 1996 TBS special television series Family Affair,[1] and gained attention for her role as Chieko in the 1997 Nippon TV television series Ryoko: Psychosomatic Physician.
[6] During her junior and senior high school years, she concentrated on her studies, but after entering Nihon University, she resumed her acting career,[7] and at the age of 18, she played her first starring role in a film, Tenbatsu, released in 2010.
[6] In 2012, she challenged voice acting as Mikoto Urabe, the heroine of the TV anime Mysterious Girlfriend X.
[8] In 2017, after auditioning, she appeared as the youngest employee in TBS's Sunday theater Rikuoh starring Koji Yakusho,[8] and in 2019, she gained attention when she appeared as a female pastry chef in TBS's Sunday theater La Grande Maison Tokyo starring Takuya Kimura.