Arcueid looked at Ren Isana with a face full of bewilderment. This was an ability unique to a True Ancestor, yet this human in front of her had learned it just like that? Arcueid blinked, then came to a sudden realization. "I get it! You're a True Ancestor too, aren't you!"
Only a True Ancestor could learn such a thing, so Ren Isana must be one as well. Thinking this, she stared at him with eyes filled with curiosity. This was truly astonishing. Was Ren Isana a True Ancestor from another world?
Listening to Arcueid, Ren Isana felt a bit amused. "I'm not a True Ancestor. I'm human. My [Jianjigu] just makes me a slightly better learner than most, that's all. Besides, the principle behind your ability is actually quite simple."
Ren Isana could explain the principles of everything he learned. After hearing his explanation, Arcueid didn't know what to say anymore because he was right — that was exactly how it worked!
"Ren Isana!" Just then, Asuna and the others returned. Seeing Ren Isana chatting with Arcueid, Asuna walked over with a curious expression.
"Finished your check-ups?" Hearing Asuna's voice, Ren Isana turned to look at them. Only Asuna, Megumi Kato, and the others who had left first had returned; the rest were still out.
"Mm, all done. There are no problems with me." Asuna shared the results of her check-up with Ren Isana, and the others did the same.
"Any plans for what's next?" Yukino Yukinoshita looked at Ren Isana and asked. Now that they were back, what was the schedule?
After all, their summer vacation was originally meant for exploring another world, and they had pushed themselves to increase their strength for that purpose. They hadn't expected something like this to happen.
"We're on vacation. What other plans could there be? Those who want to go home can go home. Do whatever you want, and we'll talk again when the new semester starts." Ren Isana relayed the arrangements from Natsuki-sensei.
Hearing this, Yukino Yukinoshita nodded. She checked her phone and said, "In that case, I'll take my sister home for a bit!"
The sister she mentioned was, of course, Midori Fuse. Now that the household registration was settled, Midori Fuse was her sister in name, though they were currently still living at the school.
"Alright, be careful on the way." Ren Isana nodded, offering no objection. Yukino said her goodbyes and left in a hurry, looking like she couldn't wait to see the new 'cat' her family was now raising.
After seeing Yukino off, Ren Isana turned to Megumi Kato and Mahiru Shiina. "Are you two going home? If you are, buy your tickets early."
Megumi Kato immediately shook her head. "I'm not going back. I plan to stay at school and focus on my cultivation. Otherwise, I might not be able to participate in the next mission."
She wasn't about to waste training time. Going home could wait; she went back every summer anyway, so missing one year didn't matter. She had already informed her family.
Mahiru Shiina felt the same. Once Megumi Kato finished, she added, "I just ran into Miach-sama and Naaza-san. I plan to use this time to learn from them. They've already agreed."
Ren Isana was surprised to hear this. He looked at Asuna in confusion. "Wait, were Miach and Naaza the ones who did your check-ups?"
"Yes, Lord Miach was the one who performed the tests on us." Asuna nodded. That was indeed the case, and because it was a god, everyone felt completely at ease.
Understanding the situation, Ren Isana nodded. It seemed the authorities valued them even more than he had imagined, otherwise they wouldn't have asked Miach to come over.
Asuna didn't plan on going home either. She wanted to stay with Ren Isana. Wherever they went next would be up to him. Rather than going home, she'd much rather spend her time dating Ren Isana here!
"What were you two talking about just now?" Once the others finished talking, Asuna's gaze fell on Arcueid. The two of them seemed to have been discussing something.
"Your man is absolutely ridiculous! He just took one look and learned my [Marble Phantasm]!" Facing Asuna's question, Arcueid complained immediately. She still hadn't recovered from the shock; it was just too absurd.
Hearing Arcueid's complaint, Asuna couldn't help but feel caught between laughter and tears. "It's normal. You'll get used to it. There isn't anything Ren Isana can't learn with his [Jianjigu]!"
As she said this, the corners of Asuna's mouth curled up slightly. She was actually very proud. After all, this was her boyfriend. What was wrong with him being a bit overpowered?
While they were chatting, the others returned one after another. Ren Isana informed everyone about the vacation, and upon hearing the news, many began preparing to head home.
After seeing them off, Ren Isana suddenly remembered something. "Almost forgot. It seems Kojou Akatsuki's surgery is over. Let's go check on him!"
He had only just remembered that guy and immediately started heading toward the ward. The others were taken aback, and some students who were about to leave stopped and followed along.
Everyone was quite concerned about their classmate. It was fine when Ren Isana didn't mention it, but now that he had, everyone remembered there was one person in a truly serious condition.
On the way to the ward, Ren Isana posted the room number in the group chat so the students who hadn't finished their check-ups could head there directly. After finishing this, Ren Isana led the way while Asuna walked beside him.
"Is he okay? Can he still turn back into a human?" On the way to the ward, Asuna couldn't help but ask. Everyone else was fine; the only one with a real problem was Kojou Akatsuki. You could only say he was incredibly unlucky.
Ren Isana shook his head as he walked. "We might have a vampire classmate from now on. That kid's condition is irreversible; he can only live as a vampire. This surgery was apparently just to resolve the flaw of his vampiric urge."
Hearing this, Arcueid's eyes lit up. She hurried over and asked, "You guys can actually solve a vampire's vampiric urge here? Can you help me deal with mine?"
She looked hopeful as she asked. If the problem with her body could be solved, it would be wonderful. After all, she suffered greatly from the vampiric urge.
Every time her vampiric urge flared up, she would go into a frenzy. If she could solve it once and for all, she was willing to try, no matter the cost.
"Erm... I'll have to ask about that later. You're much stronger than him, so I can't really give you a definitive answer." Faced with Arcueid's inquiry, Ren Isana hesitated. He wasn't a doctor, so he couldn't give a precise reply.
"Mm, please, you must ask for me! No matter what, as long as it can be solved, I'll cooperate fully!" She spoke with great sincerity. It seemed the previous hint hadn't been wrong after all.
By staying with Asuna and the others, her troubles could be resolved. Wasn't this exactly the opportunity to solve her worries? Arcueid thought happily to herself.
The group soon arrived at the inpatient department. They took the elevators in batches to the floor where Kojou Akatsuki was staying. Fortunately, this hospital wasn't open to the public; in a normal large hospital, waiting for an elevator was a nightmare due to the massive crowds.
When Ren Isana led the group into Kojou Akatsuki's room, the boy had already changed into his clothes. Seeing him, a flash of surprise crossed Ren Isana's eyes. "What kind of surgery did you have? Why has your Magic Power suddenly increased so much?"
It was somewhat ridiculous. In Ren Isana's perception, Kojou Akatsuki's Magic Power had surged by more than dozens of times compared to when he saw him earlier today, and it was still climbing.
The moment they heard this, the students who followed Ren Isana all focused their gazes on Kojou Akatsuki. Especially Kumo, the girl who was desperately short on Magic Power — her eyes were shining like lightbulbs.
Facing Ren Isana's question, Kojou Akatsuki said helplessly, "I'm basically a complete vampire now. They implanted a True Ancestor's rib bone into me, which solved the issues of the vampiric urge and sunlight sensitivity at the same time."
He didn't hide anything and explained his situation. He was actually quite depressed. He was straying further and further away from being human. He only hoped his parents wouldn't mind; the Akatsuki line might end with me.
When Kumo heard Kojou Akatsuki say he had completely become a vampire, she immediately lost interest. She had no desire to stop being human. It was normal for non-human creatures to have lots of Magic Power, but she wanted to gain more while remaining human.
"A True Ancestor's rib bone... from another world? You're probably developing in the direction of a True Ancestor yourself now, right? Maybe you'll become a real one in the future?" Ren Isana was speechless after hearing the explanation.
Kojou Akatsuki had ended up becoming a True Ancestor after all. He just wondered which vampire that rib bone had come from. Was it still the Fourth True Ancestor? Or something else?
"Yeah... but the doctor said it depends on my future development. We don't know yet, but this rib bone is quite compatible with me..." He felt quite gloomy bringing it up.
Especially when the doctor said that if he hadn't been the one performing the surgery, he wouldn't have believed a human could be so suited to being a vampire. The doctor even wondered if he had been born into the wrong species.
"Tsk tsk, you really lucked out. Since you're okay, I can rest easy. By the way, now that it's vacation time, you should head home and explain your situation to your parents!" Looking at Kojou Akatsuki, Ren Isana felt amused. Would he get hung up and beaten after going home?
After all, your son goes out for a trip and comes back a different species. He wondered if Kojou's parents could accept it. It was certainly going to be interesting.
Kojou Akatsuki was helpless. What could he do? He was in despair too. He'd just have to take it one step at a time; he'd have to face it sooner or later anyway.
Wait, why is that person named Arcueid looking at me with such a dangerous gaze? Suddenly, Kojou Akatsuki noticed something and looked up in confusion, meeting Arcueid's eyes.