A secret rendezvous with mom's tight vagina ~ Because of unsuccessful sex with her husband, a busty mother uses her son's penis for 'familiar penetration' in front of her husband ~ Hikari Hideaki GVH-789

"Mom, let me 'get used' to you...! For the sake of our new family...!" The remarried mother, Hikari, is troubled by her marital problems because her vagina is too tight, making nighttime sex difficult. Seeing Hikari like that, her son, Takuya, suggests using his penis for 'getting used' penetration! "I want a younger brother or sister. I'm serious!" Faced with Takuya's earnest words, Hikari finally relents, and before the couple officially begins, a secret foreplay between mother and son unfolds...