Asuna Hoshi is a beautiful and hardworking woman admired by her coworkers and customers alike, but she struggles with ongoing issues in her marriage. Their relationship has long passed the point of stagnation, nearing an icy freeze—her husband hasn't desired her in years. Haruya, a coworker who has quietly harbored feelings for her, finally confesses after years of restraint. Asuna, who had feared she might never be loved again, slowly finds her cold heart melting under Haruya's sincere affection. Torn between guilt and pleasure, the two gradually fall into a forbidden affair.