在一座四面環海的孤島上，存在著直徑約一千公尺，被稱為人類最後的秘境，名喚「深淵」的巨大縱向洞窟。由於其無法得知的深度與神祕，為了各種目的探索深淵的人數逐漸增加，不斷嘗試冒險的人們被稱為「探窟家」。住在孤兒院的探窟家見習生「莉可」，對深淵的憧憬比任何人都要強烈，其目標是有一天，能成為像母親一樣的偉大探窟家。在某次的探索中，發現一個擁有少年外貌的機械人「雷格」，於是一同展開了冒險。
在一座四面環海的孤島上，存在著直徑約一千公尺，被稱為人類最後的秘境，名喚「深淵」的巨大縱向洞窟。由於其無法得知的深度與神祕，為了各種目的探索深淵的人數逐漸增加，不斷嘗試冒險的人們被稱為「探窟家」。住在孤兒院的探窟家見習生「莉可」，對深淵的憧憬比任何人都要強烈，其目標是有一天，能成為像母親一樣的偉大探窟家。在某次的探索中，發現一個擁有少年外貌的機械人「雷格」，於是一同展開了冒險。
Character Design
Key Animation (ep 12)
Sound Director
Key Animation (ep 12)
ADR Director (French)
Script, Series Composition
Key Animation (ep 10)
Key Animation (ep 5)
Key Animation (eps 8, 12)
Key Animation (ep 5)
Key Animation (eps 6, 11), Assistant Animation Director (ep 3)
Producer
Key Animation (ep 3)
Key Animation (OP)
Key Animation (ep 3)
Animation Director (ep 11)
2nd Key Animation (eps 8-10)
2nd Key Animation (ep 12)
Key Animation (ep 7)
Episode Director (eps 2, 7), Key Animation (eps 2, 12), Assistant Animation Director (ep 9)
Key Animation (eps 8, 11)
Executive Producer
Producer
Producer (Animation Producer)
Producer
Background Art
Executive Producer
Producer
Producer
Producer
Executive Producer
Executive Producer
Executive Producer
Planning
Key Animation (eps 2, 8, 12)
Episode Director (ep 3, 9, 12), Assistant Director, Key Animation (eps 1, 9, 12)
Planning
Episode Director (ED2)
Music, Theme Song Composition (ED)
Theme Song Composition (ED), Theme Song Lyrics (ED), Theme Song Performance (ED)
Animation Director (ep 12), Key Animation (eps 4, 12)
Key Animation (eps 4, 6, 12)
Animation Director (ep 12), Key Animation (ep 12)
2nd Key Animation (ep 12)
Editing
Animation Director (eps 4, 12), Key Animation (eps 4, 12)
Key Animation (ep 12)
Key Animation (ep 11)
In-Between Animation (eps 3, 5-12)
Key Animation (ep 4)
Key Animation (eps 2, 8, 12)
Theme Song Lyrics (OP2)
Key Animation (ep 12, OP)
Character Design, Chief Animation Director (eps 6, 8, 11-12), Animation Director (eps 1, 10, OP2), Key Animation (eps 1, 9), Assistant Animation Director (eps 3, 6-7)
Key Animation (ep 12)
Animation Director (ep 12)
Key Animation (ep 4)
2nd Key Animation (eps 1-2, 4)
2nd Key Animation (eps 2, 4), Key Animation (ep 5)
2nd Key Animation (eps 1-4)
2nd Key Animation (eps 1-3)
Background Art
Key Animation (Ep 3)
Key Animation (ep 8)
Animation Director (eps 2, 8, 12), Assistant Animation Director (ep 10)
Key Animation (ep 9)
Animation Director (ep 10)
Key Animation (ep 10)
Animation Director (eps 1, 3, 10, 12), Key Animation (OP)
Key Animation (ep 5)
Background Art (Art Design)
Background Art (Art Design)
Theme Song Performance (OP2)
Storyboard (OP, ep 10), Episode Director (OP, ep 10)
Key Animation (ep 12)
Theme Song Lyrics (OP1), Theme Song Performance (OP1), Inserted Song Performance
Art Director
Director, Storyboard (eps 1-4, 6-9, 11-12), Episode Director (eps 1, 12)
Key Animation (ep 6)
Key Animation (ep 10)
Key Animation (ep 5)
2nd Key Animation (eps 5, 9-10)
Animation Director (ep 12), 2nd Key Animation (ep 4), Key Animation (ep 12)
In-Between Animation (eps 6, 9, 11)
2nd Key Animation (ep 11), In-Between Animation (ep 6)
Animation Director (eps 5-9, 11)
Key Animation (ep 6)
2nd Key Animation (eps 9-10)
Key Animation (ep 7)
Episode Director (eps 6, 11), Key Animation (ep 6)
Assistant Animation Director (ep 10)
Key Animation (ep 12)
Animation Director (eps 5, 9)
Key Animation (eps 2, 4)
Key Animation (ep 4, 8, 12)
2nd Key Animation (ep 12)
Executive Producer
2nd Key Animation (eps 10, 12)
2nd Key Animation (ep 11)
2nd Key Animation (ep 12)
Key Animation (ep 3)
Key Animation (ep 3)
Animation Director (eps 4-5, 8, 12)
Key Animation (ep 6)
Key Animation (ep 9)
Key Animation (eps 2, 5)
Chief Animation Director (eps 5-9, 11)
Key Animation (eps 8, 12)
Key Animation (ep 12)
Key Animation (OP)
Key Animation (ep 5)
Key Animation (ep 10)
Inserted Song Performance
Storyboard (ep 5), Episode Director (eps 4-5)
Animation Director (ep 12), Key Animation (eps 4, 12)
Key Animation (ep 5)
Key Animation (OP)
Key Animation (ep 4)
Episode Director (eps 4, 8)
Director of Photography
Color Design
Art Director
Animation Director (ep 11), Key Animation (eps 5, 9)
Key Animation (ep 8)
Original Creator
Sound Effects
Key Animation (ep 12)
Amamiya is kawaii!
完結散花～～好看！