{{Lyrics
| group         =[[Alstroemeria Records]]
| group_en      =Alstroemeria Records
| titlejp       =
| titlerom      =
| titleen       =WORLD THEORY
| length        =04:45
| arranger      =Masayoshi Minoshima
| lyricist      =Mei Ayakura
| vocalist      =nachi
| other_staff   =
| source        =
*original title: {{lang|ja|非統一魔法世界論}}
*source: {{PoDD}}
| eng_only      =
| untranscribed =
| unromanized   =
| untranslated  =
| album1        ={{LyricAlbum|ULTRA DANCEHALL|ARCD0050.jpg}}
| lang          =
| kan1          =
仄暗い部屋は　囁きに包まれ
闇へと誘うのでしょう
不可思議な力　その瞳そらせず
空虚に引き寄せられる
| kan2          =
ようこそ
夢と魔法
産まれた想いをひと纏めに
大声上げて未来へ伝えて
罪と願い
いつかは覚める夢の中では
不思議な事も起きるよ
| kan3          =
あの日見た部屋は　今もまだ誰かを
誘い続けるのでしょう
その指でなぞり　薄れてく感覚
静かに滑り落ちてく
| kan4          =
おかえり
夢と魔法
目醒めた小さな光掲げ
閉ざした部屋を照らして届けて
罪と願い
溶けてく朝もやに映るのは
きっと素晴らしい世界

| rom1          =
honogurai heya wa sasayaki ni tsutsumare
yami e to izanau no deshou
fukashigi na chikara sono hitomi sorasezu
kuukyo ni hiki yoserareru
| rom2          =
youkoso
yume to mahou
umareta omoi o hito matome ni
oogoe agete mirai e tsutaete
tsumi to negai
itsu ka wa sameru yume no naka de wa
fushigi na koto mo okiru yo
| rom3          =
ano hi mita heya wa ima mo mada dare ka o
izanai tsudzukeru no deshou
sono yubi de nazori usurete ku kankaku
shizuka ni suberi ochite ku
| rom4          =
okaeri
yume to mahou
mezameta chiisa na hikari kakage
tozashita heya o terashite todokete
tsumi to negai
tokete ku asa moya ni utsuru no wa
kitto subarashii sekai

| eng1          =
The dim room is enveloped in whispers
likely beckoning you to the darkness
Unable to avert your eyes from the mysterious power
you’re drawn in to the void
| eng2          =
Welcome
to dreams and magic
Put all your newborn feelings together
and send them off to the future with a big voice
Sin and desire
In a dream that will end eventually
strange things will also occur
| eng3          =
The room seen that day is likely still
continuing to lure someone
Trace it with your fingers, and your fading senses
will silently slip away
| eng4          =
Welcome home
to dreams and magic
Holding up a small awakened light,
light up the closed room send them out
Sin and desire
What’s reflected in the thawing morning mist
is surely a wonderful world

| lyrics_source =[https://amentranslations.wordpress.com/2016/05/27/world-theory/ Translation] by [https://amentranslations.wordpress.com/ Amen]
}}