after getting married, himari and her husband haven't been able to spend time traveling or having intimate moments. one night, himari suggests a hot spring trip during the consecutive holidays, but her husband refuses, citing fatigue. the next day, her husband's college friend, kato, visits. while drinking and chatting, himari deliberately drops something and tempts kato by showing him her pantyhose without underwear under the table. when her husband goes out to buy alcohol, himari and kato engage in kissing and intimate acts. even after her husband returns, the two act as if nothing happened, and after getting her husband drunk and putting him to bed, they indulge in an even more stimulating relationship in the bedroom.