After stepping into the school, you walked into Issei smiling and blushing.

"Hey Issei. Something happened? You're blushing."

Issei: "On my way home, I met a girl who asked me my name, and she asked me out on a date."

"Really? Congratulations, bud."

Issei: "Yeah. I mean, I did hang out with some of the female students, but that was to get ice cream or help them find something they dropped. This is my first date, and I'm actually kind of nervous."

"How'd she ask you on a date?"

Issei: "The way she said it kinda sounds like she was shy. Oh, I forgot to mention that her name's Yuuma Amano."

"Nice name. Want me to be your wingman?"

Issei: "Thank you, but this is something I have to do myself."

"No prob. Just tell me how it goes."

Issei: "I will. Wish me luck."

After Issei walked away, you said to yourself "Nice to see him this happy. Although, I feel like I heard the name Yuuma before."

You had a flashback about your father, Adam, pulling up a screen with several figures.

Adam: "There's one dangerous creature that you must be wary of. She often poses as a sweet, shy girl, but she is a killer, a psycho. From what I gathered, there have been activities of someone who has her appearance, and she apparently goes under the name Yuuma."

"I better tell them," you said, growing suspicious.

The next day, you arrived in the area where Issei went to, wearing a hoodie and sunglasses to hide your appearance.

A girl in strange clothing then appeared and handed Issei a piece of paper. Suddenly, the same girl appeared next to you handed you a piece of paper.

You looked at the paper and saw that it has a strange symbol along with the words "We grant your wish".

"Well, that sounds like a scam."

You looked at Issei again and saw a girl with the same appearance as the one your father warned him about.

"She looks like her. Let's see."

You spent hours following Issei and Yuuma but you weren't able to see anything suspicious. You followed them up to a fountain and Yuuma walked up to him.

During this, you suddenly had a strange feeling and began to hear distant noises.

Yuuma: "Could you die for me?"

You gasped as Yuuma sprouted black wings and suddenly gained a new outfit.

Issei: "Yuuma... what are you doing? You're scaring me."

Yuuma: "It's nothing personal, Issei."

A spear of light formed in Yuuma's hand and you rushed to protect Issei. You felt something flow through yourself, and you suddenly ended up behind Yuuma, pushing her into the fountain.

"Run!"

Issei: "But-"

"Now!"

Issei ran off as Yuuma sat up.

Yuuma: "You were following us?! Looks like I'm going to have to kill you as well."

Yuuma kicked and wounded you then brought out her spear and attempted to impale you, but Issei stepped in front and took the hit. Yuuma pulled the weapon out of his stomach as he fell to the ground.

Suddenly, Yuuma is shot in the arm and something began to spread throughout it. She turned around and saw an armored person holding a rifle who shot one of her wings, and she flew off stretching in pain.

The person took their mask off and reveals themselves as Adam.

"Dad?!"

Adam placed a special gauze on Issei.

Adam: "We got to get him to the house. Help me carry him."

You and your father carried Issei to his van and drove off, as the bat-like creature from yesterday was watching them, and by proxy, so was Rias.

Rias: "Y/N, why was your father there? What did he shoot that Fallen Angel with?"

The creature followed the van all they way back to the house, where you and him took Issei to a secret level where Adam performs surgery and stabilizes him."

"Will he be okay?"

Adam: "Yes. He'll live."

"How do we explain this?"

Adam: "We don't. We just tell him it was a dream. The chemicals I gave him will fully heal him and leave no trace of scars. Think you can sneak him into his house?"

"Yeah."

You and Adam carry Issei back into the van and drive to his house; upon arriving, you opened his window, carried him to his room, lay him down on his bed, and snuck out without making a sound.

The bat saw you and your father driving off, leaving Rias curious about what happened.

Rias: "Who are you two?"

The next day, you saw Issei arriving at school later than he normally does.

"Hey Issei."

"Hey," Issei responded nonchalantly.

"You okay?"

Issei: "I just had this crazy nightmare. I was... killed by this angel with black wings."

"It's just a nightmare, you're alright."

Issei: "Yeah. You're right. Well, I guess we better get to class."

After arriving in class, the girls gather around the door and see a boy with blond hair walk through.

"Who's that?"

Issei: "Yuuto Kiba. He's basically the girls' prince at this school. Is it weird that I'm a little jealous?"

"Not at all."

Kiba then approached you and Issei.

Issei: "Hey Kiba. What's up?"

Kiba: "I'm here on behalf of Rias Gremory. She'd like to speak to you two."

"Us?"

You and Issei look at each other before looking back at Kiba.

Issei: "Alright."

"Let's go see her."

You and Issei follow Kiba to the club building and enter a room with lit candles. You saw a small girl with white hair eating chocolate on a couch.

Issei: "You're Koneko Toujou, right?"

Koneko: "That's right."

"Why do I have a supernatural feeling about this?"

Kiba: "That's kinda what Rias wants to talk to you about."

Rias then appears with a girl with a long pony tail standing next to her, whom Issei recognizes.

Issei: "Akeno?"

Akeno: "That's right."

Issei: "We're in the Occult Research Club?"

Rias: "Yes. We are. It's nice to meet you two in person."

"What'd you need to talk to us about?"

Rias: "Would you believe me if I said Devils exist?"