[1] She began her career in 2016, and in 2018 she played her first main role as Akari Amano in the anime television series Ms. Vampire Who Lives in My Neighborhood.
Sasahara learned to play the piano at a young age and dreamed of becoming a singer during her elementary school years.
[2] During her third year of high school, Sasahara applied for enrollment at the Japan Narration Acting Institute.
[2][3] While in her third year of training, she received a notification that the she had been accepted into the I'm Enterprise talent agency;[2] she then debuted as a voice actress in 2016.
[3][4] Later that year, she was cast in her first main role as the character Akari Amano in the anime series Ms. Vampire Who Lives in My Neighborhood.