Hotaru, a beautiful mother who has no choice but to work part-time at a delivery health service in the neighboring town at night in order to get her eldest son into a private school, is listed as a new girl on the shop's website, but due to some mistake, an icon saying "Available for non-reception" is added to the girl introduction page. Not realizing this, she nervously visits a customer's room... "Oh, wait a minute... Customer... Ah... I really don't want to do that... No... Ah..."