Concept café. A place where café girls with idol-level looks serve drinks and you can enjoy alcohol. Of course, sexual acts are prohibited. Even within Tokyo alone, there are over 800 competing stores, and due to the economic downturn, customers who don't spend money are increasing! The industry's sales are deteriorating. How to find the 'savior' known as a 'big spender,' and how much they can promote me determines sales, holding the key to the store's survival. Such cafe girls in pairs of two each 'rivaling' one another, aiming to turn me into a big spender. A true story where forbidden sexual acts in the shop happen all the time!? Character introduction: Mio Ichijo, the manager. She's serious and trusted by the owner. She believes that 'polite customer service' is everything over aggressive sales tactics. Actually, she can't drink much alcohol. Her sales are beaten by the college duo (Shiro
