C526 Yan Ke Has Broken Through to the Middle of the Seventh Level of Longevity

"Senior sister, don't worry, take care of yourself. I'll guard you from the side!"

Niu Thirteen was worried that Yan Ke would go berserk, so he consoled her by saying that he must not panic and take his time to calm down.

Niu Thirteen looked at Yan Ke for a long time. When he found that her breathing had returned to normal, he nodded in relief.

He turned around and thought for a moment. Then