When I woke up: zombies appeared

[Survival + Zombies] A global disaster will come. Zombies are rampant, and Mark has to pick up the samurai sword in his hand to join the fight! Under the apocalypse, see how Mark survives step by step. The protagonist is indifferent but does not kill wantonly! It just tells the story of a small character who relies on wisdom, consciousness, and means to survive with his friends in the apocalypse.