It's been several months since my nephew Yuya rolled into the Sawamura family at Reiko's house because her husband was assigned to work alone and was lonely. I was spending time without any problems. One night, an incident happened. When Reiko gets out of the bath, she sees Yuya crazy about the dirty underwear she was wearing at the dressing room. "What are you doing!" Reiko is surprised, but the woman's heart that has forgotten the cock that erected in Bing ignites ...