Introduction to Survival 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

‘Remember. “One, two, three, four, five, six, seven…eight” I will remember it until the end…. until the end… ‘On the day, my wife Julia was trampled on by them, all of my life and goals became stained with burning hatred. Yes, I have to kill those people. “Bury me next to her on the day I have fulfilled my revenge.” Until then, I must survive. In this survival hunt…