Sumo wrestler's death

Recently Japanese somo society has many problems. Especially we should think deeply about sumo wrestler's death. Seventeen years old somo　wrestler was killed by his senior's violence. And his boss did not help him, far from it, he ordered. Japanese sumo has long history, and many sumo wrestlers and Japanese people have confidence and pride. However this problem made suspicion about sumo society. People should have common sense and behave ethically. Because it is the Japanese virtue.