Hajimete no Hitozuma 1
Hajimete no Hitozuma / 初めてのヒトヅマ / 첫 경험의 유부녀
A couple in love, thinking about marriage, have a tough decision ahead of them. They might have to move in with Tomoya's father. However that isn't even the start of the problem, upon showing up at his father's house, Kanako realizes that not only does she know his father... but she has slept with him... multiple times.