Laws of the good child is a Manga/Manhwa/Manhua in english language, Acting series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

A private orphanage in Russia called ‘Dead Mansion’ trains young children to become agents. “Codename Sean” ,the legend of Dead Mansion, who was thought to be lost has suddenly appeared at a middle school in Korea?! This is a story that shares the same universe as [Lookism].