That is...

Sumei?

Old Master Qin suddenly turned his back.

Even though they hadn't seen each other for so many years and both of them had aged, he still recognized her at the first sight.

He didn't care about anything else at this moment. He walked forward with his crutches, his steps unsteady. He disappeared into the crowd and hurriedly hid behind the rockery.

I don’t know if it was because of nervousness or something, but my chest was heaving ...