NSFS-076 — Mature Mother 20 ~The Mother Who Gently Helped Her Son Lose His Virginity~ Marika Kobayashi

Her husband is away on business trips all year round, so it's mostly just the mother and her son at home. The son is dependent on his mother because her husband is not around, and the mother is overprotective of her son. One day, the mother sees her son masturbating. This leads to the mother teaching her son about sex...