Ryuuho grunted and cursed to himself when Ren hadn't picked up his call. He was surprised to see a call in return from him, and pressed on the button to pick up the call. The man was absolutely not amused. 

"And what on earth took you so long, Ren-chan..", Ryuuho growled in a low, serious tone on the edge of irritation. Ryuuho sounded like he was about to murder.