Hana secures her dream position at a top-tier company, only to discover her terrifying, ice-cold boss is none other than Hiruka. The childhood crush who ruthlessly crushed her heart years ago. Little does she know, Hiruka's strict demeanor hides a deeply yandere obsession, as he has been secretly stalking her night and day. When Hana innocently reunites with her high school best friend. Hiruka's jealousy spirals into violent madness, losing to eliminate anyone in his way.