Kono Sekai ga Game da to Ore dake ga Shitteiru

Popular for being filled with bugs, the virtual-reality game New Communicate Online (a.k.a. Nekomimi Neko Offline). A die-hard fan of the game, Sagara Souma, is sent to the game world from the power of a mysterious device. Though surprised by the sudden turn of events, Souma conveniently knows the laws of the world. Mastering every bug, using the...