Tsubasa Kumagi leaves past grievances and memories in Tokyo to start his destiny anew. She does not know that her new boss, the same person whom Tsubasa has hated for several years and wants to take revenge on. Things don't immediately go smoothly in the workplace. The assistant commissar begins to harass the new employee. Kumagi knows how to fight back, thereby arousing the inspector’s curiosity and feelings for himself. It is difficult to receive the love of a person who lives on revenge, moreover, it is impossible. She is a good worker, but in life everything is more complicated. The search for "Tokyo Maniac" drags the girl into very difficult adventures, from which the only way out is to sacrifice the most important thing that Tsubasa has. What will the main character choose: to be happy in the past, but with a broken heart and thoughts of another man. Or change the past, where her enemy will receive punishment, but escape to the future, where Tsubasa is waiting for her soulmate, who filled her heart with revenge with his love.