Isaac was a famous exorcist and vampire researcher from 400 years prior to the plot. He's Ichirou di Maria's grandfather as well.
Isaac Rosario di Maria
イザーク・ロザリオ・ディ・マリア
Bloody Mary
イザーク・ロザリオ・ディ・マリア
Isaac was a famous exorcist and vampire researcher from 400 years prior to the plot. He's Ichirou di Maria's grandfather as well.
