Deg useggas 1993 i d-yenna Yasuo Koyanagi belli agasas-a d win akken i umi ttinin Tamatebaku deg tenfust n useyyad iselman. Sakin d mass Masao Okamura, anmezray n wurigami i d-itebten ayen i d-yenna yakan Yasuo Koyanagi. Ɣas akken ulac ameskan n ugasas-a, Masao Okamura yules-as-d i tmudemt.