"Long time no see, how about your plans for tomorrow?" A sudden email from her casual partner made Sui anxious. Tomorrow, the family of three would go strawberry picking. The Yura family rarely goes out together as a whole, so their son seemed extremely happy. Sui had once rejected an invitation from her casual partner, but she couldn't suppress her unsatisfied body. On the day of, despite being tormented by guilt, she lied to her husband and son and saw them off, then invited her casual partner to her empty home...