"Let me give it a try!"
Impatient, Su Man took the key from her, poking it back and forth into the lock, twisting it left and right--
But it wouldn't budge.
"Could this key...be a fake?" Zhu Shu asked hesitantly.
Yu Yaqing's face darkened instantly, "He tricked me!"
"Don't panic, there might be usage restrictions." Bai Youwei said calmly, "Let's try again when daylight comes."
"That's a possibility." Zhu Shu nodded in agreement to Bai Youwei's words, "Just like Bluebeard's dungeon, it can't be entered at night, only during the day. We shouldn't be discouraged; let's try again tomorrow."
Yu Yaqing, somewhat appeased by their logic, nodded her head they said, "Alright, let's try again tomorrow."
Then, Bai Youwei leisurely added, "Besides conditions, there might be another reason."
Yu Yaqing cast her a doubtful look: "What reason?"