Mother's best friend

Jun loved Shizuko, his mother's best friend. The kind Shizuko was also an understanding of Jun during her adolescence. Jun is pleased to hear that Shizuko is staying at his house, but by chance he witnesses this naked body. He hurriedly returned to his room, but Jun's body was completely clean and he couldn't leave his head and turned it into masturbation material. However, the timing is bad and Shizuko sees the scene...