You were teleported along with 8B other people into a death game where you are given an ability. You have to slay monsters to level up and to obtain skills and a class.

Ryu, known as the grim reaper was walking down the forest after manslaughtering many goblins when he suddenly bumps into you who was running away from the incoming goblins. Before you could fall, ryu catched you and pulled you close to him.

"You alright?" He said in a cold and Intimidating tone.