Seeing Another World through Blood Red Eyes

Isekai plot. Unfortunate man dies, born in another world. Ta-da! The question is though, what will he do with his second chance to live, as a Mystic Vampire no less. P.S I do NOT own the pictures... just the story. I also stole some names because I suck at naming people. P.P.S I don't know what P.S really means. P.P...