For Airi, the attack incident caused by the Slaughter Teacher was already in the past. Although the Gate of Cornerstone was still under repair, she did not have to pay for it herself, so naturally she did not care. Her life had returned to normal, except there was now an adorable little maid at home.
Of course, Airi had also begun taking action. Her battle with the Slaughter Teacher had made her realize that the skills she currently possessed were not enough to deal with threats from every direction. Furthermore, the Fourth True Ancestor she had obtained as part of this world's protagonist setting was not as powerful as she had imagined. The Familiar Beasts were far too powerful, and most of them were still asleep...
Well, she did not know how the protagonist had become the Fourth True Ancestor in this world's original setting, but judging from the current setup, he was probably another guy who hid his true strength because "the power sleeping within his body was too great," played the weakling in ordinary times, then burst forth at critical moments to save a beauty like a hero.
However, it seemed that the Familiar Beasts also had blood they favored. The currently awakened Fifth Familiar Beast, "Golden Lion," had only awakened after drinking Yukina's blood, and it became extremely active around Yukina—so, according to this setting, the Fourth True Ancestor had Twelve Familiar Beasts, which meant he needed to drink the blood of twelve girls?
Hmm... If it was that kind of harem setting, then it was not impossible.
But Airi was Fang Zheng's avatar, not some timid brat who knew nothing, only drifted along with the tide and waited for his harem to save him, then got gravely injured before finally exploding with power to counterkill the