"Yuji-kun, you're not feeling well. What's wrong?" After breaking up with his lovey-dovey girlfriend, Yuji was completely burned out. Yuji's sister-in-law, Ayame, worries about Yuji, who shows no sign of getting back on his feet, and comes up with an antidote for broken hearts. "Hey, rub your boobs and cheer up! I'll rent it out to Yuji-kun for the whole day today!" Yuji is attracted to the beautiful big breasts that are more than his ex-girlfriend and the breast milk he sees up close for the first time.
