Hachiooji, Tokyo is known mostly for its hiking trails and views of the city, but some know it as where Morishita Yuuri was born. She has two older brothers.

She was raised there and in Saitama Prefecture to the north from where her father hailed. She then spent six years at a protestant Christian school in Hiroshima until graduation. She attended Atomi University in Tokyo and gravitated towards a life as an entertainer becoming a model, gravure idol and race queen in 2003.