VOSS-019 Due to the effects of Decachin, I couldn’t control my dick’s position. Unconsciously adjusting it was noticed by my stepmom, and I panicked thinking she might get angry, but she said, “It’s more impressive than your dad’s,” and started getting ar

Yukari, who entered the family as a second wife, started a happy family life with her husband and son-in-law. Her beautiful and gentle mother-in-law was proud of her son, but… One day, when she learns by chance that her son is the owner of a huge cock, Yukari can no longer hide her true nature of decachin addiction. Her appearance as a mother-in-law was also helpless in front of her favorite big cock.