They looked at each other in speechless despair.
She owed him?
They could understand why she had said that. They watched Tang Ruyan as she grew up; they were very much aware of her true potential.
Back in the day, they had made a strict and extensive evaluation to determine that Tang Ruyan was merely qualified to become a decoy.
She wasn't as talented as her younger sister, Tang Ruyu.
They observed her for a long time and made her go through several rounds of tests. They had acted prudently, not allowing for mistakes to happen.
For Tang Ruyan to have gained such strength had to be related to fate or a luck-related matter, something that couldn't be explained by talent and effort.
That luck was most likely related to that store.