Secret Family

Read manhwa Secret Family / 시크릿 패밀리
A 17-year-old named Kang Geon transfers to an elite high school attended only by the top 0.1% of South Korea.
Trained since the age of five in North Korea as a human weapon and a genius secret agent, he’s given a mission to infiltrate South Korea’s high society and build connections.
But making friends turns out to be the bigger challenge.
Living under the guise of a family with his father, a hacker watched by nations, and his mother a legendary assassin, he navigates a spy-action drama in search of true happiness.