Let’s Make a Contract? 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.cc fastest updating comic site. The Summary is

That’s something I planned for the president. Would it be a problem?” Those words came back as something that’s haunting me. And that day, I died. But then I came back to life. I was Yoon-Seok, a director of one of South Korea’s top real estate investment Company. But now I am Kim Dong-gyu, a reclusive outcast and a what many people refer to as “fatty”. I’m going to rise once again, fueled by this frustration and revenge inside of me. Just Wait, I’ll surely make them pay for killing me. And today, with all that in my mind, I plan my strategies as Yoon-seok and execute as Kim Dong-gyu. For revenge.