VEC-644 A friend's mother is forced to have sex with internal ejaculation in front of her son, Orimoto Seri's

The introverted son brought a friend home for the first time. The friend, Shunya, was an honor student and highly trusted by his teachers, serving as the center of his class. His mother, Serino, rejoiced at her son making such a good friend and welcomed Shunya warmly. However, Shunya's true intention was Serino's body. Having been attracted to Serino's beauty for some time, Shunya first gained the son's trust and eventually made his way into the main residence. Unaware of this, Serino was completely deceived by his character as his corrupt desires assaulted her...