"He's not my demon. He's more a... business contact, I guess. That night in the old school building was the first time I had summoned him."

A little embarassed, Takuro sighed. "Itsuki-kun and I were awoken on the day that Iwata-sensei sent out that warning on the school network. The floor collapsed under us when we went in and he was the one that got us out safely. So I guess the first time we rode this subway was the day after."