Nene Tanaka, an OL working at Yamakasa Trading Co., was recruited last year as a specialist accountant from another company. She has been dating the handsome sales manager Suzuki. However, during this time, long-time employee Kawagoe, who works at the same company, has been embezzling money out of fear that his actions would be discovered. He always maintains a grumpy demeanor due to his constant anxiety. One day, Kawagoe obtains a prototype smartphone designed for blackmail and approaches Tanaka with a proposition... As she becomes increasingly confused by false information, she believes that she is having sex with her boyfriend Suzuki when in reality, she is being manipulated by the lowlife Kawagoe. In the end, her entire persona is replaced by Kawagoe's twisted version of herself...

山空商事で働いているOLの田中ねね。去年、他社より会計のスペシャリストとしてヘッドハンティングされた。彼女はイケメン営業部長の鈴木と恋仲の関係。そんな中、長年山空商事で働いている古株の川越は会社の金を横領し使い道が酒・女・賭博まさに最低な男。だが横領バレるのを恐れていつも不機嫌な態度を取っている。ある日川越は試作品である催●スマホを手にして田中に催●をかけてみた…。彼女は嘘の情報に自分自身が混乱していき、恋仲である鈴木とセックスをしているつもりがまさかの川越。底辺社員の川越に洗脳されて、人格の全てを上書きされてしまい…