One day, on one of his scavenging outings to Muenzuka, Rinnosuke Morichika finds a curious device that drifted in from the outside world.The device turns out to be a machine called the WRS (World Replication System), which generates a playable game set in a cyber-world. Rinnosuke brings the WRS to Nitori Kawashiro for examination. Once Nitori activates it, it fulfills its intended purpose by generating the cyber-world Lotus Land. Sanae Kochiya and Tenshi Hinanawi happen to be there for this, and they log into the cyber-world to play this fancy new game. Little do they know that the cyber-world created by the WRS can also potentially spill over into the real world...