Thread of Control

Auron Vales an S Class Guide and doctor was living his peaceful life when Kael Riven the Guild Master of Nocturne Blade crashed into his life. Kael Riven offered him to become his Guild's Guide as their previous Guide resigns. Auron refused the offer but Kael didn't stop trying. After a month of effort Kael have convinced Auron to join his Guild. Nocturne Blade, on outside it an B class Guild but in secret they are S class. They only have seven members including Kael. They have many secrets that they buried beneath their B class mask. What will happen when Auron entered the territory full of S class Espers who hide many secrets? But is they are the only one with secrets? Why does it feel like Auron isn't who he appears to be when you meet his eyes as if he's hiding something also?