YST-198 Drowning in my son, the sex monster Akase Nagako

One day, I accidentally entered my only son's room while he was masturbating. In the awkward atmosphere, I said on a whim, 'If it's okay with you, would you like me to help?' My son's eyes sparkled as he sought sex from his mother. Under the promise of keeping it secret from his father just this once, my son's mother became his plaything... Deepthroating, titfucking, and even raw insertion, internal ejaculation—it was perfect for a son who only ever masturbated, turning his mother into an ideal Dutch wife...