Eren Hyoudou, is Issei's older brother and he finally returns home from the "military" to pay a visit to his family. But their is something inside of him that not even the devils can understand. I do not own Attack on Titan, Highschool DxD, or any i...
Right now everyone was waiting for Loki to arrive. Eren had explained the situation to everyone else. "Remember Issei, once Mjolnir comes, you'll be the one to use it against Loki" Eren reminded his brother. "Ok!" Issei said. A portal appear in the sky and Loki came out of it. "What is this? Odin is trying to stop me by sending me devils to fight me?" he said. "We won't let you take over this world Loki!" Rias shouted at him.
"If you want to stop me, then you'll have to deal with them first!" Loki said, as three giant wolves and a giant serpent appear. "The children of Loki" Rossweisse said. Eren ran and as he bit his hand, transforming into his titan. He roared after transforming as he rushed towards the serpent. He tackled it to the ground as everyone was dealing with the wolves. As Eren was tackling the serpent, Loki hit him with some of his power.
"Eren!" Issei shouted as Rias reminded him to focus on the enemies they were dealing with now. "Don't worry, Eren can handle them" Rias told him. Eren summon a hammer as he swung it at Loki. Loki dodge it and Eren jump towards him. He tried grabbing him but missed. "Get away from me you beast!" Loki shouted at him.
"Mjolnir is almost here!" Rossweisse shouted. The serpent appear behind Eren but it was shock by Akeno's electricity. Eren turn around and he stomped the ground, summoning crystal spikes that impale the serpent from the ground. Saji used his sacred gear to hold Loki down as Mjolnir arrived. Issei flew towards the hammer, trying to reach it. He grabbed it successfully, but was then bitten by one of the wolves. "Issei!" Eren shouted inside his titan.
Kiba and Xenovia killed the wolf, but Issei was bleeding. "Issei" Eren said as he watch Rias pulled him towards her. Eren tighten his fist as he roar super loud. Light veins appear all over his body as he had activated his titan powers.
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He jump towards Loki, slamming him to the ground. "What are you doing beast!?" Loki shouted as Eren then bit his head off. Everyone stood there shock as Eren continue to eat the god. After eating the rest of him, he got out of his nape. "Issei!" he shouted as he got down his titan. He ran to his brother and said "Are you ok!?"
"He should be fine. The thing Ravel Phoenix gave him was phoenix tears" Rias said. Eren smile and he hugged Issei. "Don't scare me like that!" he said. Issei smile and said "I'm sorry."
A/N: Sorry that the fight was too short. I didn't know how I would do it with Eren on their side.
After defeating Loki, they were finally leaving the underworld. "It was nice having you here Eren" Sirzechs told him. "It was nice being here as well" Eren told him. "Please come visit me soon!" Serafall said. "I'll try" Eren said as he got on the train with Issei. "You ok?" Issei asked him. "I'm fine, I should be asking you that" Eren said. Eren then fell asleep on the ride back.
He woke up and all around him were clouds. "Where am I?" he asked. He felt a warm feeling inside of him and he said "Is this... How freedom feels like?" He spread out his arms to each of his side, taking in everyone. "This is freedom!" he shouted as he was now a child again.
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'I want everyone to know what this feeling is' he said in his head. 'And I know how.'
Time Skip brought you by everyone waiting for Eren to wake up
"Why is this so hard!?" Issei shouted as Eren chuckled. "C'mon Issei, if you fail it'll make Rias look bad" Eren said. "I thought that with mom and dad gone at vacation, this would be a little easier" Issei said. "C'mon, you have your big bro here" Eren said. "But I have something more important to do than this! During my training, I realize my need for girls boobs grew stronger. I need to become stronger so my journey to becoming harem king will be one step closer!" Issei said as Eren stare at him disappointed.
There was a knock on the door as Issei said "Yeah." The door open and Akeno came in with some tea. "Would you guys like some tea?" she asked them. "Sure" the brothers said as she gave them some. Akeno look over Issei's homework and said "This is wrong, you need to do it like this." She grabbed his pencil and started writing in it, making her boobs touch his arm. "Yeah, I told him that already. But the only thing he has on his mind is oppais" Eren said, making Issei embarrassed.
"Thank you Akeno, I do feel a bit bad for making you help me with this though" Issei said. "But I was already help-"
"It's no problem Issei. But I do kind of want something in return" Akeno said. "I want to meet you outside tomorrow, ok?" she said. She left and Issei turn to Eren. "You disgust me brother" Eren told him.
