It was Tohsaka Rin!
The special Rin who, in the Third Timeline, had grown up as the daughter of Aizen—and of Aizen Tokiomi.
Without a doubt, compared to the tsundere young ladies of the other timelines, this Tohsaka Rin could be called the most extraordinary one.
Only "one of a kind" could describe her existence.
After all, as Aizen Tokiomi's daughter, Tohsaka Rin had obviously inherited certain special powers from that supervillain, Aizen Tokiomi.
This had made her path of growth vastly different from that of her other "selves." Now in her twenties and rapidly approaching thirty, she had never displayed her strength, yet from the small glimpses revealed so far, it could only be described as unfathomable.
And after the Incineration of Humanity occurred, the Light Screen had clearly shown footage proving that this Tohsaka Rin had not died, but was active in other Honkai Lands.
That was all, however. Nothing more had been revealed.
Yet now, she had appeared in this Singularity belonging to the past timeline—and had come directly to the Underworld.
In an instant, everyone's curiosity and anticipation were pushed to their peak.
And in the real world, the person looking forward to the adult Tohsaka Rin the most was undoubtedly Tohsaka Rin herself.
After witnessing all sorts of embarrassing performances from her "other self," especially the various shameless giveaways and humiliating scenes while possessed by Ishtar, Tohsaka Rin had already fallen into despair. Against such a stark contrast, she felt that the "her" from the Third Timeline was simply too cool and too awesome—a perfect image of what she herself should become when she grew up.
Now, although Tohsaka Rin did not know why her grown-up self had appeared in the Singularity, or why she had appeared in the Underworld, that did not stop her