Nijo Arima is an Alpha who works at a first-class company. At night, he pretends to be an omega and his service specializes in serving customers at night. He wants to be an omega at least for a moment. Then, when he meets a young and famous student entrepreneur, who is arrogant and throws around words that pierced Arima's heart, Arima is in shock and has a one-night-stand with him without knowing that his fate was sealed.
Arima-san wa omega ni naritai