A very pleasant incest after a mother and child fight

Kaoruko was raising her only son, Jun, on her own. Jun was proud of Kaoruko, who never showed any pain in a single-parent family, and she respected her mother, who always had a smile. However, Kaoru's fault is one thing... This means that they are "weak against electrical appliances." Today, Jun failed to record the TV program that he was looking forward to, and the two of them struggled to fight. A few days later...they couldn't find a chance to make up...