CODENAME: ANASTASIA

Agent Kwon Taek-Ju is dispatched to Russia with two tasks. First, he must find “Anastasia,” a new weapon that could change the world forever. Second, he is to avoid Russia’s psychotic killer, Psikh Bognadov, at all costs. To assist him on his undercover mission, Taek-Ju is sent a partner who only reveals himself to be a man named Zhenya. But Zhenya quickly proves himself to be just as dangerous and unhinged as the infamous Psikh himself. Just who could he truly be? And will Taek-Ju succeed in tracking down “Anastasia”? (Source: Tappytoon, edited) — Description from AniList community (anilist.co).