The protagonist of this drama is Yurika Aramaki, an excellent consultant whose motto is "I trust numbers more than I trust people." The drama depicts her struggle to rebuild the management of Saitama's host club A1, sometimes fighting with the hosts, but also encouraging each other and deepening their bonds. Fukumoto plays Kiseki Iwatsuki, a 25-year-old from Kumagaya City who was discovered by Yurika as a host. Although he is the son of a farmer, he is very reserved and can only talk to plants, but he meets partners with rich personalities at A1 and is impressed by them, and at the same time he can feel a sense of accomplishment and happiness. He gradually falls in love with Yurika who fights for A1. Lequ plays Genji Akasaka, the top host of Love2000, the host club with the highest sales in Kabukicho. Genji is a cold and cruel man who will do anything to achieve his goals. He is set to grow up in Shirogane, Tokyo, but he is actually from Saitama. For a certain purpose, he is planning to acquire A1.