Complex sentence: Later in 1997, Sakai began wrestling for Yokota's JDStar promotion, where she won both the JDStar Junior Championship and the JDStar Queen of the Ring Championship.
Split into simpler sentences: Later in 1997, Sakai began wrestling for Yokota's JDStar promotion. Whilst competing for JDStar, Sakai won both the JDStar Junior Championship and the JDStar Queen of the Ring Championship.