Riko was living happily with her programmer husband, but the frequency of their nightly activities had significantly decreased, leaving her sexually frustrated. Unable to cool down her heated body, she felt restless. One day, her husband's brother was coming to stay over, but Riko didn't particularly like this brother-in-law. Despite Riko's slight irritation, the brothers who hadn't seen each other in a while were chatting enthusiastically. Riko joined the conversation, but when she glanced down, she noticed something peculiar—her brother-in-law's crotch was strangely bulging. She thought, 'No way,' and looked back several times, only to find herself staring at his crotch. Riko ran a massage salon at home, and her husband suggested that her brother-in-law receive a massage from her. As she began massaging him while he lay on his back, she couldn't help but be distracted by 'it.' She carefully massaged his legs, but if she let her guard down, her hand would almost reach for his crotch. Just as she was about to blurt out, 'Let me touch it,' her husband called for him, and the two eagerly left. Riko collapsed right there on the spot, reminiscing about his thing while indulging in lewd fantasies...
