A friend's mother - the final chapter - Reiko ISHIHARA

Recently, my son's friend Tatsuya often comes to play. Then he sends a hot gaze. Is this girl jealous of me? When I thought that it was Reiko, I encountered Tatsuya burying his face in the underwear of Reika and masturbating. i'm still greedy... Should I be jealous as an adult? Should I accept her as a woman? Reika's heart shakes when she knows Tatsuya's feelings.