Advent Life Revision

Advent Life Revision is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

Lee Harin is a model student in his school who has an all perfect face, education, and personality. But one day he had a dream of changing his tedious life.
The next day, a strange transfer student comes and sits next to him. But he suddenly said he’s going to kill Harin that day.
Harin, who’s troubled by the transfer student who chases him around threatening to kill him, begs for forgiveness. But the transfer student gets mad saying that he needs to get his revenge. Can Harin overcome this crisis?!