The black bullet (taimanin asagi x black lagoon x male reader)

The super soldier,The primal beast, the black bullet, and last but not least y/n l/n, an ex russian soldier, an ex cia agent and an ex M.I.6 agent, a man known across the globe for his excessive brutality, and animalistic measures of handling terrorist cases received a mission in Japan, but what he doesn't know is that he's a wanted man in all three factions ,to top it off , his past is hunting him down, will he survive?

(This story is a prequel to a story I'm working on currently)