Kissed Gin at 5:20, Came Back to Life at 13:14

[Feel-good story / occasional extra chapters / darkly obsessive, male-protagonist-focused romance / adult romance: the undercover agent comes back to life and gets a happy ending with his nemesis, Gin] One day, Aokou Kirigiri, an outstanding graduate of Miskatonic University and a deceased undercover agent, woke up four years in the future. The sun still shone upon the world, and the Organization still went about its evil ways. Only he had changed: from an undercover agent who had died a glorious death into an anomaly who would be killed if his identity were exposed. The Organization would never spare an anomaly who had returned from the dead. The agency he once belonged to would be just as determined to eliminate him. Aokou Kirigiri wanted to stab himself again and be done with it. But the System stopped him just in time. The System was called the [Criminology Simulator]. During missions, it gave people who had known him a face-distorting buff, so no one could recognize him. All he had to do was go undercover in the Organization again and conduct field research, providing valuable firsthand data for international security governance. Once the mission was complete, he would receive a true new life. The System pleaded with him: “If you kill yourself, your enemies will rejoice and your friends will suffer. Can you really bear that?” Aokou Kirigiri: “Got it. After I'm reborn, I'll get revenge, kill every one of my enemies, and claim the throne as king of the underworld!” System: “...Sure, if you say so.” - After grabbing his silver-haired partner by the hand and plunging a knife into himself, Aokou Kirigiri felt regret for the first time in a long while. Not because he was about to say goodbye to this garbage world, but because Gin's expression had been terrifying. It was as if he would hunt him down in the underworld the very next second. That wouldn't do. In the pouring rain, the undercover investigator whose identity had been exposed grabbed his partner by the collar and kissed him fiercely. - But he didn't manage to die. Reborn, Aokou Kirigiri stared at the 【HP: 15】 on his mission panel and fell into deep thought. System: 【You may look like you're at death's door, but completing missions will increase your HP.】 System: 【Infiltrating a criminal organization does sound difficult, but if you break it down into meeting the organization, getting to know it, and joining it, it becomes very simple. I suggest you start by getting close to a low-ranking member. Be sure to avoid high-risk codename members, such as Rum, Pinga, and Gin...】 System: 【Wait... Why is this high-risk individual called Gin listed as an ally???】 … . 1. This is an alternate timeline of the previous novel, in which he was an undercover agent by then. It's like the relationship between Earth-1 and Earth-2, and the two are completely independent. 2. Plot-focused, with Miskatonic University serving as background. The main focus is Detective Conan, but you don't need to know it to enjoy the story. 3. Hope you enjoy reading~ Theme: To make your voice resound through the world, you must first remain silent for a long time.