My Skills Are Copy, Paste

Doomsday zombies + Western fantasy goblins, orcs + chat group + game skills and magic After the college reunion, he was tricked into signing a time-travel agreement and traveling through a parallel world. This world was invaded by monsters, demons, orcs, elves, dwarves and other races, ushering in an unprecedented disaster... The protagonist gets a backpack that can lead to his room, and a mobile phone. In the battle with monsters, obtain unique skills - copy and paste. ... Any mobile phone with internet connection is fine, Shuiqun. Mengxin: "? What the hell?" Mengxin: "Stop making these useless things and do something practical." Mengxin: "@, you haven't posted today's astringent picture yet." The bald bastard: "@ coriander, you haven't posted today's astringent picture yet." I don't want to model anymore: "@, you haven't posted today's astringent picture yet." ... How could this backpack actually appear in the home and summon other people into the world.