The cosplaying thief, Cosplayer, continues to steal treasures said to unlock the gates of hell, following the last wishes of her grandfather, a legendary thief. In reality, she's Nanako Morisaki, a celebrity and former popular announcer. Meanwhile, Akechi, a security expert, is obsessed with catching Cosplayer and sets up a tight security system in response to her latest notice. Cosplayer infiltrates the museum, sets up a device on the targeted Buddha statue, but is caught off guard by the curator's trap, receiving an electric shock and being exposed to hypnotic gas, rendering her unconscious. As a result, Cosplayer is captured, and the story ends in a bad ending.