"Good morning~"
Looking at Think, who was bound into a strange and, from any angle, extremely erotic shape, Rias chuckled and said, "Seeing you like this, did you misbehave yesterday?"
"Mmph..."
Seeing that Rias had woken up, Think, who had been hanging all night, struggled to say something.
Unfortunately, to prevent her from disturbing Rias, the red ropes had gagged her mouth. By now, she looked like an idiot, drooling profusely.
Since she was hanging upside down, the drool had dripped all over the floor.
Not just the one above; perhaps due to struggling for quite some time, the one below, also tightly bound by the ropes, had leaked a lot of fluid as well.
Truly befitting a Sylph, they sure have a lot of fluid~
"Ouch!!" The red ropes disappeared, and Think's head hit the ground.
Holding her head, Think felt her vision blurring continuously.
First, she had suffered severe injuries, with all four limbs broken. Even though Rias later healed her, mental exhaustion was unavoidable.
Especially after being hung all night; even a Sylph couldn't withstand it.
"Really, can't you just calm down?~"
Rias muttered, and the life energy from the Magical Device: Holy Grail swept over, making Think feel much better.
"Damn, so it really was a trap."
Rubbing her head, Think sighed helplessly, "You had that bird person tie me up here, not just to use me as a... toy, right?"
"Hmm..."
Rias thought for a moment; it seemed she really was just curious about the Sylph and wanted to catch one to play with.
And the most outstanding among the Sylph was Think Nilba Ren.
As the only Eighth level magician among the Sylph and the developer of many high-level magics, without Rias's interference, she would have developed a strategic weapon called 'Void Zero Divine Protection' decades later.
The original work described this weapon of mass destruction as follows:
It forcibly rewrites the core Magic Formula of a Phantasmal Race, which serves as an independent spirit corridor, causing it to self-destruct and release a vast number of spirits. Under the effect of the Magic Formula, these spirits undergo a "chain collapse" and are released into the outside world. It can destroy everything within its effective range. Theoretically, gathering enough Phantasmal Race for mass production would be sufficient to annihilate the entire planet and all life.
Its prototype was the technology developed by the Sylph to interfere with the 'core' of Phantasmal Race, which was the magic Think had just used in an attempt to control Rias.
Similar to how Jibril in the original work interfered with her own core, triggering a massive explosion.
Think's talent in the magical arts was undoubtedly exceptionally high.
But equal to her magical talent was her own dangerous nature.
However, danger didn't matter; no one in the world was completely without risk. As long as Rias overpowered her with strength, there was no need to worry about backlash.
Because the other's backlash would be like a tiny ant biting a massive planet, rendering the danger meaningless.
"Huh? Could it be you really thought that?!"
Think exclaimed in surprise.
There's such a good thing?!
"Well..."
Rias was momentarily speechless. After thinking, she said, "Then help me organize the systems."
"Organize systems?"
Think's eyes lit up as she asked.
"The various Pantheons, as well as the texts, cultures, knowledge, and systems obtained from different Other Worlds—organize them and then construct a 'Dimensional Library.'"
In a flash of inspiration, this idea appeared in Rias's mind.
"That sounds very interesting."
Think's eyes sparkled brightly.
Originally, Think was someone who could endure solitude; her very definition was that of a 'researcher.'
In the original work, after suffering a blow from Jibril and engaging in a life-and-death struggle with her sworn enemies, the Dwarf Race, she coldly used someone as a shield and hid in the shadows to develop a weapon of mass destruction like 'Void Zero Divine Protection.'
She even had no faith in her own creator and even entertained thoughts of 'deicide.'
The former speaks to her attitude toward knowledge, the latter to her level of danger.
But to put it another way, this was also Think's anger toward the gods who had started this great war.
Deep down, she still longed for peace.
A life like this should be something she'd enjoy.
"What about the reward?"
Think's eyes sparkled brightly.
"Since you'll be organizing knowledge, you'll naturally have free access to all those materials."
Rias chuckled lightly, "Or do you want some other reward?"
As she spoke, Rias gently stepped on Think's lower belly, her other little foot pressing and swaying against the soft flesh.
"Mmm..."
Unable to hold back a low moan, Think's face flushed Crimson, though inwardly she felt somewhat annoyed.
As someone who preferred to be dominant, being forced into a submissive role was a fresh experience for her, but also somewhat infuriating.
But unfortunately, as a 'toy,' even if her body enjoyed it while her mind did not, she had to endure it.
It felt like her dignity was being trampled on, but over time, you'd realize that dignity was practically worthless compared to pleasure.
An ideal environment could wear away everything about a person except their fundamental pride.
As for breaking Think's pride, even in Rias's view, that would be an extremely difficult task.
Moreover, if it were truly done, Think would be ruined as a person.
Then playing with her wouldn't be fun anymore.
Which is better: playing with a doll, or playing with a Sylph who is clearly furious but as defenseless as a doll?
Just from the word count, the answer is obvious~
"Get some sleep first. Don't worry, this is my home, and it's very safe."
Rias said before leaving the room and heading to her laboratory.
Here, there was a Formula barrier constructed by Rias, maintained by a defensive barrier-type magical device, with defensive power equivalent to a miniature world.
After a moment of thought, Rias began creating a new magical device.
Using knowledge, information, and data as the foundation, she would create a special magical device: the Dimensional Library!
"The structure of a divine artifact is materials and power. For special monster-type divine artifacts, the soul of a powerful race is also added."
For example, the white dragon emperor and the Red Dragon Emperor.
"The core structure of a magical device is an artificial soul, using the soul to contain power, becoming an auxiliary life for the user."
And this was the conventional magical device.
In reality, beyond that, there were also special magical devices.
For example, the Magical Device: Holy Grail, which directly copied the power from the Sephiroth Graal.
A special magical device integrating three magical devices into one.
Or like Jibril's Zanpakutō, a weapon constructed from Jibril's own soul, the prototype of a magical device.
There were also those that assisted Rias in experiments, possessing simple functions yet exceptionally powerful magical devices.
Or like the spatial magical device Rias used to bring Naruto and the others back—just a space the size of a courtyard, yet perfectly suitable as a private living space.
Now, Rias was about to create a new type of magical device.
Using Rias herself as the foundation, integrating concepts like knowledge, data, and information, transforming them into a substantial growth-type magical device!
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