Cells at Work! CODE BLACK Official Trailer [Hataraku Saibou Black PV1] SUBTITLES,Film & Animation,,Story: A newbie Red Blood Cell is one of 37 trillion working to keep this body running. But something's wrong! Stress hormones keep yelling at him to go faster. The blood vessels are crusted over with ... / Hataraku Saibou :: Anime :: трейлер :: Anime Unsorted