President of Japanese masturbation aid company once self-tested 48 prototypes in a row

Koichi Matsumoto, president of popular Japanese masturbation aid company Tenga, recently revealed that he takes a hands-on approach when tes...

Tenga Releases Valentine’s Day Chocolate That Looks Like a Masturbatory Aid

Tenga is releasing a limited-edition Sweet Love Cup for Valentine’s Day, but this year, the company changed the design of the chocolate to l...