Voodoo Murders
On December 9, 2012, Yasshi made a special appearance in Kensuke Sasaki's Diamond Ring. On February 11, 2013, he, Taru, Kazunari Murakami, Kengo Nishimura, Kento Miyahara and Taishi Takizawa reformed the Voodoo Murders, with Yasshi positioned as the leader of the group.