FSDSS-274, [FSDSS-274] Invited her lover to the hotel to have sex

This husband's best friend was his ex-lover, but he seemed completely unaware of this. One day he invited his wife and this friend out for a drink because he thought they were his closest relatives. But when the three of them met, this close friend met her ex-lover and they felt uncomfortable with each other. Old memories came back and while the husband was drunk, they … ;.