Zato Cero a delinquent who attends Kouh Academy. He's admitting a strange energy which catches Rias' attention, however he's not so cooperative. He wants little to do with anyone and distances everyone that tries to get close to him, why?
The flames burning the remains of the fake Kouh Academy crackle as smokes fills the sky. Asia falls to her knees tears streaming down her face. "ZATO!" Asia screams in agony as tears fall from her face and land on the ground. Rias just stares in shock, an explosion of that caliber would kill anyone caught within.
"Z-Zato," Rias says still in shock
(Riser Phenex has retired. The winner is Rias Gremory)
"Well, would you look at that. Looks like we won." Say a male voice. Both devils look toward the fire to see Zato emerging from the flames. Blood streaming down the right side of his face and lit cigarette in his left hand. "He's a shit suicide bomber but as a lighter, he's not half bad," Zato says as he takes a puff of his cigarette.
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"ZATO!" Asia shouts as she jumps on the black dragon emperor. "I-I thought you were dead!" Asia shouts through her tears.
"You thought I'd die from something like that? Here I thought you'd have a bit more faith in me." Zato tells the nun who only hugs him tighter. Suddenly both the arena and the remaining combatants begin to glow. "The fuck is this?" Zato asks as he begins to glow.
"Since the raiding game is over, we're now exiting the arena," Rias explains as she wipes her eyes before the three of them and the arena glows brighter and Zato is forced to cover his eyes. Once the light fades Zato finds both himself and the two devils inside a massive ballroom. They're surrounded by other devils most likely affiliated with the Gremory family.
Suddenly before anyone can say or do anything the devils all spring forward, erupt into cheers for Rias and her victory. Some saying how they're so happy Rias will no longer need to marry Riser and others congratulating her on her victory. While nearly a hundred devils surround Rias. The crowd begins to get closer to Zato and Asia, then once the crowd starts bumping into them it results in the two being separated. As Asia disappears into the crowd Zato puts a handout about to chase after her but then he stops himself.
Seeing the celebration Zato decided now's the best time to leave before anyone wants to ask him about his sacred gear or anyone from Rias' peerage tries t stop him. Making his way through the crowd Zato soon finds himself at the door leading outside. Zato lifts his hand up and as he looks into his palm a black circle appears on his hand. Then rising from the abyss of black is the evil piece Rias had previously given him. Zato then kneels down and places the evil piece in front of the door before walking out. Once he opens the door he's met with a familiar voice.
"Thought you'd try to split out once the party started," Hinata says with a smirk as she stops leaning on the railing facing the door. Walking toward her son Hinata looks behind him and notices Asia in the crowd. "So you're just gonna leave your little friend in there and not even say goodbye to your new ones?" Hinata asks as she points to the ongoing celebration.
"They're not my friends, I had a promise to keep and I did. Now that it's done we have no reason to be together anymore. As for Asia, it's better she stays with them. She can learn to live without me plus better for them not to get to close to someone who only brings pain to those close to him." Zato says as he looks at his mother with a stern looks
