Naiseikai Universe| The World of Introspection

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

Menu and Navigation

Naiseikai Universe

Main Navigation

内省界 | The Naiseikai Universe

Lore Timeline & World

Naiseikai Titles - Story Order

The Naiseikai Songbook

Haruhi Aoi / Aru - Naiseikai Mascot

Haruhi Aoi

Little Bunny Aru

Lore Timeline & Worldbuilding

Main Navigation

内省界 | The Naiseikai Universe

Worldbuilding Details

Lore Timeline & World

Books within Naiseikai

Main Navigation

内省界 | The Naiseikai Universe

Lore Timeline & World

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

Main Navigation

内省界 | The Naiseikai Universe

Lore Timeline & World

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:

• yellow, pastel orange, and gray links!

Traditional Prefectures

These are the standard political divisions of Neo-Japan, similar to our Earth but rearranged across the expanded landmass:

Ninjin Prefecture

• This is a new prefecture where the NYAQ is established, along side with the YHCA.

Hokkaido

• The northernmost island, largely unchanged in structure but slightly expanded in size.

Tohoku Region

• A vast yellow-coded area in the northern mainland, encompassing prefectures like Aomori, Akita, Iwate, Miyagi, Yamagata, and Fukushima.

Kanto Region

• The orange-coded central-eastern region containing major urban centers including Tokyo, Kanagawa, Saitama, Chiba, Gunma, Tochigi, and Ibaraki. Due to continental expansion, these prefectures have shifted positions compared to our Earth.
  • New/Notable Cities: Hashi, Naomi, Rosa, Tenka, & Usa

Chubu Region

• The mint/cyan central region, home to prefectures such as Niigata, Toyama, Ishikawa, Fukui, Nagano, Gifu, Shizuoka, Aichi, and Yamanashi.
  • New/Notable Cities: Raoki, Yue, Yae

Kansai Region

• The purple central-western region including Osaka, Kyoto, Hyogo, Shiga, Nara, Wakayama, and Mie. The cities are rearranged slightly

Chugoku Region

• The lavender western region containing Tottori, Shimane, Okayama, Hiroshima, and Yamaguchi.
  • New/Notable Cities: Takahashi

Shikoku Region