故事發生於兩個不同的世界，主角土宮明日架與同屬「礦石無線電研究會」的其餘四位成員，於某天的下午四時四十四分進行傳聞中的儀式，卻無意中進入另一個世界；在這個世界中遇到明日架在此的分身，這個世界不同於五位成員所處的世界，是個四處均充斥著金黃色的沙子以及不少廢墟的世界。 不同世界間是依靠類似磁帶式播放器來進出，而送五位成員回原本世界後的分身明日架，卻意外地失去知覺；而成員們所屬世界的明日架暫時收留她居住一晚，待明天才回到另一個世界；而此時另一世界的某人卻出現在五位成員所處的世界中。
Original Creator
Original Character Design
Original Character Design
Director
Character Design
Art Director
Color Design
Director of Photography
Editing
Sound Director
Music
Music
Music
Animation Director (ep 8)
Animation Director (ep 2)
Episode Director (ep 5)
Animation Director (ep 9)
Animation Director (ep 12)
Animation Director (ep 11)
Animation Director (eps 11-12)
Animation Director (ep 6)
Animation Director (ep 11)
Episode Director (ep 4), Assistant Animation Director (ep 5)
Key Animation (eps 1, 11-12)
Theme Song Performance (OP)
Character Design (Sub Character Design)
Key Animation
Animation Director (ep 8)
Animation Director (ep 4), Assistant Animation Director (ep 1)
Animation Director (eps 8, 11-12)
Storyboard (ep 8)
Animation Director (ep 3)
Theme Song Performance (ED)
Episode Director (eps 6, 10)
Episode Director (ep 9)
Sound Effects
Mechanical Design (Clutter Design)
Script, Series Composition
Storyboard (ep 12)
Character Design (Sub Character Design)
Character Design (Sub Character Design), Chief Animation Director (eps 1, 3-12), Animation Director (eps 8, 12), Assistant Animation Director (ep 1)
Storyboard (eps 6, 10)
Episode Director (eps 3, 7, 11)
Producer
Production Manager
Mechanical Design (Equalizer Design)
Director (Series Director)
Animation Director (ep 5)
Animation Director (ep 8)
Producer
Animation Director (ep 10)
Animation Director (ep 10)
Animation Director (ep 6)
Animation Director (ep 10)
Animation Director (ep 10)
Animation Director (ep 7), Assistant Animation Director (ep 5)
Key Animation (ep 1)
Producer
Background Art (Art Design)
Theme Song Composition (ED2), Theme Song Lyrics (ED2)
2018年 季度排名 #1
2018年 動畫總排名 #31
