One summer day, Kyoka, along with her husband, was running a convenience store when a college student started working there as a part-time employee. As Kyoka taught the diligent young man how to do his job, their distance grew closer... The long-awaited sex awakened her sexual desire... Even though she thought it would be the last time, she couldn't stop the unfaithful union. "This summer has been hotter than usual..."
