I am the manager of a convenience store in A City, S Prefecture, a city famous for its poor security. I'm usually a dull guy, but for some reason the high school girls who work there part-time trust me completely and confide their various worries to me. However, perhaps due to the recession, there is no end to the malicious customers, such as "exhibitionists," "perverts," and "lovey-dovey couples." While dealing with the troubles of such customers, the high school girls start to get horny... With one dick and four high school girls pussies, we operate a harem 24 hours a day!