"Issei, do you know what you've done?" Rias asked, sounding like she was holding back her irritation as she stared sharply at Issei.
Issei answered innocently, "Save Asia?"
"..." Rias fell silent, wanting to get angry but somehow unable to after seeing Issei's face.
"Ara~ ara~ Rias gets soft whenever it involves Issei-kun." Akeno said teasingly.
Her expression was gentle, overflowing with a motherly aura that was hard to describe with words.
Koneko nodded in agreement.
Kiba let out an empty laugh, as if he had no opinion—or rather, as if he didn't feel he had the right to voice one.
Rias gave a bitter smile and spoke helplessly, "Issei, what you did could ignite a three-way war. You understand that, right?"
Issei fell silent and nodded with a serious face.
"But I want to save Asia!"
"Issei-san..." Asia's eyes welled up with tears, clearly moved by Issei's answer.
Rias puffed out her cheeks, feeling jealous of Asia.
Akeno's gaze shifted slightly, carrying a dangerous edge if one were to ignore it.
Koneko stared sharply at Issei, making him feel awkward.
Kiba still laughed emptily, tightly covering his mouth.
Issei turned and looked straight at Asia.
"Asia, do you believe in me?"
Asia nodded without the slightest hesitation, as if she had been completely hypnotized by Issei.
"Then become a devil. After that, we can live together forever."
"Ehh!" Asia was extremely shocked by Issei's statement.
For a devout nun, becoming a devil was something they would never even think about.
That included Asia. She truly was kind to all beings—kind enough to use her power to save a devil—but that didn't mean she was willing to become one herself.
If someone else had said it, Asia would have ignored them. But when Issei said it, her inner voice urged her to obey.
'No, I can't betray Kami-sama.' Asia murmured in her heart, feeling conflicted and unable to decide.
"Asia, you were cast out after healing a devil. Indirectly, you've already lost your place there."
Issei didn't actually want to use this method, but he felt he had no other choice.
"Issei-san, how did you know that?" Asia looked curious, staring at Issei with innocent eyes.
Issei took a deep breath and answered seriously, "I have a special information network. That's how I know."
"..." Asia fell silent, thinking over Issei's suggestion.
Asia repeatedly looked at Issei's face. After a few minutes passed, her expression became firm, and she looked straight at Rias.
"Please make me a devil! I want to be with Issei-san forever!"
Rias actually wanted to welcome Asia, but when she heard the second sentence Asia said, her eyebrow twitched and her smile turned strange.
"Alright. From now on, you'll be part of my family. I look forward to working with you, Asia."
"Yes!"
Asia responded enthusiastically.
The reincarnation process into a devil doesn't need to be written here.
.....
Asia spread her devil wings, showing them off in front of Issei.
"Look, Issei-san, from now on I'm a devil!" Asia smiled brightly, looking extremely happy and excited.
'... Is she really a devout nun? Why do I feel like she doesn't have even a little faith in her?'
'Isn't this your fault?' Ddraig suddenly responded to Issei's doubt.
'My fault? How could it be?'
'You saved her from despair. On top of that, with the effect of the Ultimate Skill, her impression of you has already surpassed her faith in God.'
'I see. Then it really is my fault.'
With Asia joining, Rias's peerage was almost complete. They only had to wait for one knight and one rook to appear, and they would be ready to face all their enemies.
As the center of power, Issei did not forget his original goal of getting closer to Rias.
His actions made Rias feel relieved and stop feeling jealous of Asia.
Time passed, and eventually the main plot began with the appearance of Riser Phenex.
.....
"Rias, what did you just say?"
"I'm opposing our engagement because I already have someone I like."
Rias answered Riser's question firmly.
Slightly different from the original story, Issei sat beside Rias, while across from them Riser sat beside his queen, Yubelluna.
Yubelluna was very tame and didn't mind at all as her breasts were squeezed and played with in front of Rias's peerage.
Rias looked disgusted, but she had to maintain her image, so she couldn't scold Riser.
Hngh...
Yubelluna moaned, her voice soft and arousing.
"Hah, Riser, stop squeezing your subordinate's breasts in front of me."
Issei's voice was calm, flat, and cold.
"Hoo? Do you know who you're talking to? Know your place, you lowly devil!"
Issei's face changed, his eyebrows twitching as his body began to emit a dragon aura powerful enough to distort the space around him.
"Riser Phenex, I won't repeat the same warning. Let go now, or die."
... .. .
To be continued...