How to transfer newly paid scooter insurance (Hoken) to my name? Help anyone?

Bought a friend's scooter (pretty new). I have my own plate number now and it's now registered in my name.

My friend just paid for the insurance too and now I am haviny a hard time transferring it to my name. Hoken was just paid last week (3 years). Help anyone?

by Ok-Hamster940383