Mai was born in Osaka Japan and grew up in Ikoma City, Nara Prefecture, which is located in middle of the main island next to Kyoto.
She played percussion at Kami Junior High and Ichijo High School Bands as a club activity. During high school, Mai band was consistently the representative of the Competition of Nara Prefecture League, and got 4th place of Kansai Area League. Her high school band was invited to play at Canberra Australia in the spring of 2000.

Upon graduating from high school in 2002, Mai moved to the United States. Ms. Tadokoro holds an Associate of Arts degree from Cottey College in Nevada City, Missouri. This is Mai's junior year at the UMKC Conservatory of Music and Dance, where she is working towards a Bachelor of Music-Percussion Performance Degree, and her second year in the FCBB.