Reiko is a single mother who raised her daughter, Kirara, on her own while running "With," a lingerie and cosplay manufacturing company. Kirara helps out at her mother's business and also works as a model for their products. Reiko has just embarked on the honeymoon for her tenth marriage—though her longest marriage to date lasted only three months. Kirara barely has time to worry about the marriage failing before Reiko returns, having already divorced while still in the limousine on the way to the airport...