It's been four years since ienergy's drug investigator series Yui Hatano was first released. This time, we will go back to the past of the first episode and depict the incident that started her encounter with the investigator who became her partner after her, and the beginning of the relationship with the drug organization. A young investigator Hatano who hates her evil because of her hot-bloodedness and sometimes tends to run solo investigations. However, her evil hand was creeping right by her side...!
