After losing his wife, Takao has been living with his son and daughter-in-law for the past half year. Although their relationship seemed fine on the surface, Takao was desperately trying to suppress his surging sexual desires. However, his patience finally reached its limit. Takao offered to give a massage to Rinko, who was suffering from back pain. Initially, he seemed genuinely concerned as he performed the massage, but gradually, his fingers began to stimulate Rinko's most sensitive areas...
