Himari and her husband haven't been able to travel or spend intimate time together since their marriage. One night, Himari suggests a hot spring trip during the holidays, but her husband declines, citing fatigue. The next day, her husband's college friend, Kato, visits. While chatting and drinking, Himari purposely drops something on Kato, showing off her pantyhose under the table and seducing him. When her husband goes out to buy some alcohol, Himari and Kato kiss and engage in intimate acts. When her husband returns...