"Those who enter the Yang Gate are female."
Fisher pondered the words read by Fisher, then looked up at the two lines of text that remained "Competitive Gate" in his eyes, and at the door that resembled a mirror.
"Does that mean maybe there are actually two doors here? Mine is the Yang Gate, yours is the Yin Gate, and we must switch to open the doors?"
Fisher was silent for a moment before walking up to the door. She gently touched it, but found it was like touching the surface of water, completely unable to touch the actual door.
She quickly shook her head and said,
"No, I still can't open the door on this side."
Beside her, Book Princess mused for a moment and said,
"Is it possible that you need to go to the Yin Gate, while Fisher is at the Yang Gate here, and when you both open them simultaneously, it will succeed?"
Emhardt quickly flew onto Fisher's shoulder and whispered to him,
