C256 The Existence of Cattle Skin

Ning Xin was extremely regretful that she had forgotten about this earlier.

However, at this time, an old man walked out from the other side of the bookshelf. He had a tall skeleton and wore a sweater with thick reading glasses.

Although he seemed quite old, he was quite energetic.

Pushing his glasses, the elder smiled benevolently and said, "Young lady, please forgive my words