Nanao, who identifies as an omega, is employed in the nightlife industry despite his deep-seated disdain for the conceited Alphas in that field. One day, Arisaka, a no-nonsense Alpha, is brought to Nanao's workplace by a colleague. The two get into a heated disagreement, but when Nanao accidentally touches Arisaka, his heat immediately kicks in.
Bonus story: "Master, Whatever Pleases You."