If you're interested to start a musical instrument on your own, or if you want to practice at home/anytime you want outside of school, here are some music stores' websites that offer renting/leasing to owning good qualities of instruments on a reasonable price! Take some time to have a look! (^_-)-☆
The biggest instrument rental program in Japan for renting to owning good qualities of Yamaha musical instruments, and renting Yamaha's soundproof units. Many good qualities and good varieties of instruments available for beginners to professional musicians on a good reasonable price!一番おススメです!
A rental to owning instrument program offered by Shimamura Music Store near JR Sendai Station inside LOFT Sendai building. They offer one-on-one instrumental private lessons as well!