The Childe is a Manga/Manhwa/Manhua in english language, Action 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

"Jin Taeha," the successor of Korea's leading company "Cheongu," survived alone after a terrorist attack during a yacht trip with his family. "Jin Taeha" who learns that his family was killed not by accident, but due to power struggles amongst his relatives. Enters the "Salerno Family" an Italian mafia family, to prepare for his revenge. After 17 years, he returns to Korea and finally begins his revenge.