[TheUnknown]

Unfortunately According To The Japanese Law, You Can Not Have Any Sexual Activity With Anyone Under The Age of 18.

Japan — Age of Consent
Although the age of sexual consent in Japan is 13 years of age, prefecture law usually overrides federal law, raising the age up to 18.

Japan Legal FAQ - Is the age of consent in Japan really 13?


(I Hope This Website Will Serve Its Purpose And Reveal To You What You Seek.)