C726 Internal nail

"From the current situation, this is the only explanation, even though you and I both think it's ridiculous."

If a nail is inserted into the body, it can replenish the iron in the blood.

Should he say that he had knowledge or not?

After Zhang Yu smiled a few times, he was no longer able to move his smile. On one hand, it was because his heart was aching, but at the same time