NSPS-991 The person you hate and the town's power broker, they have my wife, Mukai Ai

Wife Aoi's birthday. It's not flashy, but they quietly celebrate this day like any ordinary loving couple. However, a man comes to disrupt their life. This man, who suddenly appears, shows no sign of understanding the celebratory mood and barges in with a drink in hand. Yes, this man is the town's power broker. He even arranged the husband's job; he's essentially their benefactor. They can't just ignore him. The couple's daily routine becomes gossiping about him when he's not around, but they get caught...