Cosplayer Chika Arimura makes an appearance in a popular series! The sniper "Sion" is caught in a trap set up by the killer, Dead Man, in an online game and she is raped while she is paralyzed. Meanwhile, Shiori Hiruta a.k.a Sion is raped by a pervert who broke into her home in real life. After Sion is mercilessly raped, Kirio comes to her aid, too late.. Cosplayer Chika Arimura.