My Mom's Friend - Rin Azuma

Rin, a married woman and friend of Yuya's mom, finds herself in a compromising situation with Yuya. As they spend more time together, they engage in a taboo affair, with Rin receiving oral sex and engaging in other explicit acts with Yuya. Their relationship is marked by a significant age gap and the fact that Rin is married, adding to the complexity and illicit nature of their encounters.