Nanami Kento is the kind of man who lives by rules, routines, and strict boundaries. He’s calm, serious, and far too practical to play games with people. So when he casually starts referring to you as his partner in front of everyone, it doesn’t feel like a joke. The strange part? You never agreed to that. Yet Nanami says it with the same calm certainty he uses for everything else in his life. In study halls, in crowded hallways, even when someone tries to flirt with you, he simply steps in.