Blue Seed 2
English name: Blue Seed Beyond
Genres: Action, Comedy, Drama, Horror, Mystery, Sci-Fi, Supernatural, Ecchi
Type: OVA, Episodes: 3
Aired: Jul 24, 1996 to Feb 4, 1998
Studio: Production I.G, Xebec
Source: Manga
Rating: R - 17+ (violence & profanity)
Synopsis:
A renegade scientist in San Francisco has found a way to create a new creature called a Neo-Aragami without the power of Susanoo. When these monsters start to terrorize California, the U.S. turns to the old members of the Terrestrial Administration Center (TAC) for help. 

(Source: ANN)