Shio, a genius student who serves as the school’s researcher and is beloved by the teachers, is bullied by classmates for being too outstanding. In response, Shio creates the 2T-Mobile, a device for time travel, to go back and deal with those who bullied them. However, the moment Shio begins traveling through time, an unexpected event occurs!

The story of a young novelist who can’t seem to finish his works and is forced to consult an enigmatic ghost doctor to cure the headaches brought on by his bizarre visions—an experience that ultimately leads him to uncover a truth that has long blocked his emotions and prevented him from moving forward.