High School DxD-Volume 9 Chapter 5.2
"--And that's it. My report is done. Vali-sama."
"Ah thanks, Le Fay. Thank you for luring the first generation Sun Wukong and the Jade Dragon to that dimension. --How's Hyoudou Issei?"
"I am very touched to meet the greatly anticipated Chichiryutei-san!"
"...Is that so. Yes, great."
"One more thing. First Gen-sama seems to be looking for Vali-sama and Bikou."
"We may run into them soon. To completely shake the First Gen off our backs will be very hard... But hidden in the depths of the Sacred Gear, Hyoudou Issei has begun contact with the past possessors."
"Vali-sama?"
"Persuading others by words is not my style. --I will take the greater challenge of dominating the past possessors, it is more interesting that way. Cao Cao, if you want to defeat us you'd better do it while it's still possible. -- Before I and Ise completely surpass your powers."
