"Mizuki" working as No.1 bunny girl at night shop. One day, an event happens, and the owner of the shop changes. At the same time, a woman who is acquainted with the new owner "Suzuka" appeared, and said, "I will have this shop divided as No.1". It is "cool flower" of the cheeky attitude and "Mizuki" to the tooth. Two people will make a sales match. If you lose, you will swear absolute obedience to those who won. The sales competition that involved a bunch of customers and bunkers of the store is the victory of "cool flower". As promised, he orders' Mizuki 'to become a.