Naho Hazuki: Instinct of incest

recently, my mom's behavior is suspicious... His son Yosuke suspected that his mother Naho was having an affair. And that bad premonition is in the midst of an objection. A mother who brings her cheating partner home while her family is away and entangles her tongue hard to look at the secret part. Although she is angered by her, Yosuke who has seen the mysterious limbs that can not be imagined from her mother who works as a housewife on a daily basis, attacks Naho's rich body with emotion.