Stay away from them scammers
First time used 3rd party to buy train tickets in japan , bought months in advanced first class tickets and guess what came to train station earlier good that came in advance tried to pick up the tickets and nothing worked went thru 4 different machines got a eun around in the end they said they dont know why it dont work buy other tickets , which i did got on the train not in the class i wanted to be but went and checked my seats that supposably they booked and guess what there was people sitting there !!! Cancelled the rest of the tickets had thru them and wont ever use or recommend stay away