C295 Remark of the Ruins(part I)

"The place I'm taking you to is one of the three major places in Gulan Academy. Because you are new students, each of you will have a chance to go there for free. Of course, it's not counted this time. Normally, you would like to go in once... Every time he went in, he would need to come out after not more than five hours.

Therefore, one could imagine how precious it was