My friend's mother

Recently, my son's best friend Kazuya, has been coming to visit Rino's house frequently. From Rino's perspective, Kazuya's impression is polite, serious, and solid. Unlike her son, Rino is very friendly with Kazuya, who everyone likes, and treats her likes her son. However, there was another reason why Kazuya came to visit. That's because she was attracted to Rino, who is beautiful and has a great figure. The moment they first met Kazuya falls in love at first sight, and every time she meets Rino, she begins to feel secretly affection. And Rino's casual words make him think deviously...