BC - Blood Cell is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Planet 'Blood Cell' - a world created by the God of Death. Though populated by diverse plants, animals, and humans, this deity who revels in conflict designed it with one cruel rule: survival is only possible through blood consumption. For a millennium, this system bred endless conflict between beings desperate to survive. But now, after 1000 years, champions arise who will finally end this blood-soaked world ruled by greed!