Urban Square: Kohaku no Tsuigeki
Japanese title: アーバンスクウェア　琥珀の追撃
Alternative titles: Urban Square: Chasing Amber
Type: OVA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Nov 28, 1986
Duration: 56 min
Rating: R - 17+ (violence & profanity)
Studios: Network Kouenji Studio
Producers: Bandai Visual
Genres: Action, Mystery
Demographics: Seinen

Ryou Matsumoto is a screenplay writer that runs into a man and witnesses his murder. Unknown to him, he gets caught up in an illegal antique ring along with a girl he meets named Yuki. In order to survive, he ends up acting out the "action hero" role that he writes in his screenplays.

(Source: ANN)