Mikuru Asakura | Photo via RIZIN Japanese star Mikuru Asakura had the last laugh in the main event of Super RIZIN 4 with a decision victory over former champion Kleber Koike this Sunday in Saitama, Japan. The two met in a key featherweight bout and Asakura, who was choked out by the Brazilian back in 2021, had the better start this time around as Koike was unable to keep him on the ground. Koike relied on guard pulls going forward, but Asakura was the aggressor.