Yuri, a close friend, comes to consult about her husband who has a bad habit of cheating and can't seem to change, filled with anger. Despite the husband's lack of remorse and his attempts to shift the blame, saying, "I haven't done anything. She was the one who approached me," Yuri's patience runs out and she challenges him, "Well, then show me that proud little thing of yours!" However, what pops out from the underwear he takes off is a surprisingly impressive penis. Driven by her own unmet desires, Yuri begins to plot to take this large member for herself...