The eldest son of the Shiraishi family, Kazuo, his wife Maki, and the step-son Kosuke gather for the third anniversary of their father-in-law's death memorial service. After the meal, the three of them drink and continue to chat about trivial things. The husband gets drunk and leaves the room to take a bath, while Kosuke pretends to leave and approaches Maki at the entrance. What will Maki do in this unpredictable situation between a man and a woman under the same roof?! The definitive edition of married woman eroticism brought to you by FA Pro is here!