Release Year: 2010 Studio: Studio Happy Chicken Genres: Gay, Adult Audience Video language: Japanese Welcome To The Boys Jungle! Kakeru Matsumi is already a well know name in Japan among Boys Model fans, and now he’s poised to take over American hearts as well! You might think Of him as the Japanese Justin Bieber of love (only he’s of legal age). In this hugely popular Release, Kakeru takes viewers down roads they may find shocking..