Drink a Drink, Have Another Bottle, and Be Reborn

No heroine, no system, shady, decisive in killing, killing all the way, and living a relaxed life. If the world is unfair, kill~kill~kill! ! ! ! The protagonist's doomsday comes just because he drinks a bottle of expired Coke, and then red rain breaks out and he travels to a parallel world. Then the diaosi's journey of becoming a protagonist began, and 996 in the new world began.