I Got Lucky And Pulled A 10th Rank Summon

I Got Lucky And Pulled A 10th Rank Summon manhwa, In the most realistic VR game "Last Savior". Every player will get a chance to summon a Follower Spirit. The Follower Spirits are ranked from 1 9. And Obviously, everyone wants a rank-9 spirit. However, the one that I pulled has an unheard-of rank[What on earth is going on?]"Yeah"I don't get it either.