[Two male protagonists - Two strong men - Two academic masters - Sweet abuse - Seduction - Imprisonment] It's sweet in the early stage, but a bit sadistic in the later stage. If you don't want to read about your childhood, you can skip the first few chapters. This article is about a neighbor's brother who had a crush on his brother when he was a child. During this period, Shou could hear Gong's voice, Gong confessed his love, and Shou agreed. The two spent a good time together, and then a raider appeared. Under the pressure of the system, although she performed the task for a few days, when she finally confessed to Gong, she was rejected. So she tried to persuade the system to give up the mission. In the end, thanks to his keen observation, Shou resolved various crises and reconciled with Gong. See Chapter 1 for a detailed introduction.