Fifteen is an auxiliary system designed to help the protagonist upgrade to counterattack and become a king. This time it is a practical assessment related to whether she has officially graduated.
To this end, she also studied carefully and thoroughly read "A Writer's Career Change", which is most likely to become the world's assessment, and she is confident that she can definitely graduate with an A+.
... If she didn't enter the world of "Shuju O Battle".
Facing a world he knew nothing about, Fifteen calmed down for a moment and then spoke out of his wits: No, they all started as orphans, were picked up, and joined the organization...
One method is universal, and I can copy it!
Motto: No matter what happens, it's never wrong to be prepared.