After three years of love, Satoru Gojo panics at his own vulnerability and purposefully "cheats" to push Y/n away for her own safety. Heartbroken, she flees to the cold isolation of Russia for a year, cutting all ties. When a high-paying Grade 1 mission calls her back to Tokyo, she is forced to work alongside the man who shattered her. Amidst the fight, they realize that despite the betrayal, their synchronization is flawless and their love remains a devastating, undeniable force