Please wait for me and take another look at me. I'm not invulnerable, I'm just really scared and afraid of losing again! An unintentional eavesdropping back then caused him to lose his most loyal best friend in his life! From then on, he weaved a cocoon for himself. No matter how the world changed, he only kept his cocoon! However, an accidental encounter actually caused five years of suffering and obsession. Can this cocoon continue to protect him?