牝教师4～秽された教坛～

Fortunately, Ning Cheng had not forgotten what place he had entered. Before he entered, he knew that the lightning arcs crisscrossing inside were as thick as a thumb. So after Ning Cheng rushed into the stone door, he immediately used the Thirty-Six Black Ice Spears. He had to wait at least until the explosion of the broken pill beads outside passed before he could get out....