By Alarkius Elvya Jay
内省の世界 - Naisei no Sekai | Official Light Novel Universe & Website
This Saga is where Pain mends and Molds the Heart <3
© All Rights Reserved | KarasuEJ / Alarkius Elvya Jay | https://www.alarkiusej.com/
For Fanbase or sub-fandoms, please refer back to our official subreddits or this website!
This universe’s original source of inspiration is from Mob Psycho 100
Naiseikai Universe
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Naiseikai Titles - Story Order
Haruhi Aoi / Aru - Naiseikai Mascot
Lore Timeline & Worldbuilding
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Worldbuilding Details
Books within Naiseikai
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Naiseikai Titles - Story Order
Books and Stories
The Quiet Crow and The Ninja! (Vol 1)
Upcoming Stories……
Nevertheless, You’re Still My Sister!
Can this Dullahan fall in Love? (Vol 1)
The Lonely Android and her 2GFs (Vol 1)
Alternate Realities
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Naiseikai Titles - Story Order
Alternate Reality Story
GyakuTen – Paradoxical Reincarnation
A saga of shadowed bloodlines and hidden truths, and self introspection...
This is a world where it will move your hearts.
📍 Setting: Neo Japan | Tokyo | Beyond | Set in the year 2100 +
All references here that relates to our book, worldbuilding, or quotes, are coded in:
Shizukana Karasu to Ninja!
Other names:
Date Created: 5/31/2025 Writing Finished: 7/16/2025
Series Status: Ongoing
TQC&TN Book Status:
When exiled ninja Koa Ruruka becomes roommates with Hanako Reina—a gentle girl wrapped in urban legends…? The line between protection and love blurs. Crossing from guardian to lover might be the most dangerous thing either of them has ever done. Can a warrior open her heart again, and will the quietest soul find the courage to reach for more?
The Quiet Crow & The Ninja | Navigation
The Quiet Crow and The Ninja! (Vol 1)
─────⊰ Characters
─────⊰ Support Characters Fuuka Ryoko
─────⊰ Upcoming Characters