The Fallen Seraph

As possessor of the 14th Longinus and son of one of the four great Seraph Yamato had the potential to become one of the strongest within Heaven possibly even surpassing Michael. At least, until unfortunate events led to his fall from grace. Now part of the Grigori Yamato's life has become a lot more interesting as new challenges lay ahead. OCxHarem, IsseixHarem, gender bends.