Reincarnated with my friends

In a zombie outbreak, four friends stand by each other fighting against monsters and zombies. Unfortunately, one of them had to betray the others because of jealousy, hatred, greed which led his friends to their misery. Luckily, the now three friends had with them a piece of chronolock device, which led them going back in time ten days before the apocalypse. Now they promised themselves to not let history repeats itself and grow stronger together in order to survive. Stay Tuned for the interesting story of the three friends on how they got an SSS-RANKED ability.