In May of 2009 in Sapporo, brothers, Ryoji and Shuji, created SUICIDE HEAVEN, the first incarnation of GYZE.
The machines do require valid ID.
The vending machines are equipped with age identification systems, similar to those used on machines that sell alcohol or tobacco around Japan.
On either side of the vending machines are screens with instructional videos showing how to use the products being sold.
The three Tenga machines in Susukino are being used as a test trial, with more locations to follow in the future, depending on the success of the self-serve system.