Chihiro Himeragi used forbidden arts to turn the "Saint's Right Arm" into "sacrificial building material," burying it at the bottom of the Keystone Gate and using the relic's power to withstand the fierce currents deep beneath the sea.
As for that relic... Elysia had no particular thoughts about that saint's right arm. What concerned her was the existence in the lowest area, even beneath the Keystone Gate.
It was an utterly spotless, utterly boring space. It was also the passage leading to the sanctuary that imprisoned the "Witch of Cain"—the Coffin of the Sin God.
"Should I go take a look?"
Elysia considered it. She was still quite interested in Cain... but she did not know much about him. The scenes in her memories were all incomplete.
She could only recall the rough outline. Perhaps it was because she had not paid much attention when she watched it, only remembering the more important parts.
"Forget it. The Witch of Cain isn't there anyway, so there's no point in going."
After thinking it over, Elysia gave up...
She should first see where her Fairy Airi had run off to! Hopefully she had not gotten herself into any trouble. Elysia did not doubt Fairy Airi's abilities, but she was still worried.
"Over there? It's not too far. Hmm... I'll go take a look first."
Sensing Fairy Airi's location, Elysia headed over directly.
On the way, she noticed someone secretly watching her. Elysia was not embarrassed in the slightest and openly returned the gaze instead, making the person staring at her feel awkward.
They had clearly not expected this girl to be so cheerful.
When Elysia reached her destination, she looked at the place before her... It was actually an amusement park. Fairy Airi... was inside the amusement park.
It was truly unexpected.