ALDN-118 Stepmother helps her son know how to make love

Shoda's family lost her husband and fell into darkness. However, her daughter started dating Chisato's nephew, and thanks to him, the family became bright again. Chisato is relieved that her daughter and grandson get along well, but she accidentally witnesses their daughter's activities. Even though I thought I shouldn't look at Chisato, my lower body ached and I could hide my fingers...