Ushioni, however, has a rule under which it must lose its life if it helps people's lives, so the Ushioni dissolved into red blood and flowed away as soon as it saved the young man's life.
だが牛鬼は人を助けると命を失う掟があり、その牛鬼は青年を救った途端、真っ赤な血となって溶けて流れ去ってしまったとされる。