Nina is plotting my death!

Nina is plotting my death! is a Manga/Manhwa/Manhua in (English/Raw) language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

Reiji Takahashi is a secret agent of the Interior Ministry who found a little girl during a mission. The girl Nina was trained by the mafia to be a cold-blooded killing machine. Now Reiji has been ordered to watch over Nina, and he better watch his back, too, because Nina is still out to get him! A hard-boiled child-care comedy remake from a popular SNS work.