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...
Yama to Sora/Mousouzoku
