After working together for many years, they have journeyed side by side through the passage of time, unknowingly coming to regard each other as soulmates. Yet, whether out of shyness or concern, neither has ever openly confessed their feelings, as if they both silently understand the unspoken truth. Fate has other plans. When an unexpected crisis strikes, they instinctively choose to push each other away, determined to shoulder all the danger alone. This seemingly heartfelt understanding only drives them deeper into their predicament.