在不知什么时候，整个世界被突如其来的未知病毒攻袭，几乎彻底毁灭。但是只有13岁以下的孩子不被病毒所感染，侥幸活了下来。可是这些孩子们却被从地底出现的吸血鬼所统治，并作为提供血液的家畜饲养。故事的主人公——百夜优一郎和百夜米迦尔就是被抓住的孤儿们之一，而面对不堪的命运，他们没有屈服，开始计划逃亡与复仇……
在不知什么时候，整个世界被突如其来的未知病毒攻袭，几乎彻底毁灭。但是只有13岁以下的孩子不被病毒所感染，侥幸活了下来。可是这些孩子们却被从地底出现的吸血鬼所统治，并作为提供血液的家畜饲养。故事的主人公——百夜优一郎和百夜米迦尔就是被抓住的孤儿们之一，而面对不堪的命运，他们没有屈服，开始计划逃亡与复仇……
Key Animation (ep 1)
Assistant Director
Director
Animation Director (ep 5), Assistant Animation Director (ep 8)
Inserted Song Performance
Key Animation (ep 2)
2nd Key Animation (ep 10)
Animation Director (eps 9, 11-12)
Animation Director (ep 8, 11), 2nd Key Animation (ep 12), Assistant Animation Director (ep 12)
Chief Producer
Episode Director (ED), Director of Photography
Original Creator
Music
Original Character Design
Storyboard (ep 3), Episode Director (ep 3)
Key Animation (ep 9)
Music, Theme Song Arrangement, Theme Song Composition
Key Animation (eps 1, 12)
Production Coordination (ep 4-12)
Key Animation (ep 5)
Key Animation (ep 9)
2nd Key Animation (ep 11)
Key Animation (ep 5)
2nd Key Animation (eps 1-2, 8-9, 12), In-Between Animation (eps 1-2, 4, 6, 9, 11-12, OP)
2nd Key Animation (ep 9)
Key Animation (ep 1)
Key Animation (ep 8)
Key Animation (ep 5)
Assistant Producer
Key Animation (ep 6)
Key Animation (eps 9, 12)
Key Animation (eps 3, 11)
Episode Director (ep 9), Animation Director (eps 9, 12), Key Animation (eps 1, 9), Assistant Animation Director (ep 11)
Animation Director (eps 6, 11), Key Animation (Main Animator)
Episode Director (ep 7), Key Animation (ep 2, 3, 7)
Animation Director (eps 10, 12), Key Animation (ep 10)
Key Animation (eps 8, 11)
Animation Director (Effects Animation Director: ep 9), Key Animation (eps 1, 6-7, 9, 11, OP), Assistant Animation Director (ep 8)
Key Animation (ep 9)
Animation Director (ep 10), Assistant Animation Director (ep 11)
Key Animation (OP)
Planning, Producer
Theme Song Lyrics ("X.U.", "scaPEGoat")
Key Animation (ep 5)
Key Animation (ep 7)
Sound Director
Animation Director (eps 3, 6)
Storyboard (eps 2, 7, 11)
Key Animation (ep 12)
Storyboard (ep 5), Key Animation (ep 5), Principle Drawing (ep 5)
Storyboard (ep 9), Key Animation (ep 9)
Storyboard (OP), Animation Director (OP)
Executive Producer (English version)
Character Design, Chief Animation Director
Key Animation (ep 2)
Script, Series Composition
In-Between Animation (eps 1-6, 12, OP)
Planning
Key Animation (ep 10), Assistant Animation Director (ep 10)
Key Animation (eps 3, 10)
2nd Key Animation (eps 7, 12)
2nd Key Animation (ep 10)
Key Animation (ep 5)
Key Animation (eps 1, 8)
Producer
2nd Key Animation (ep 2)
Key Animation (ep 9)
Producer
Key Animation (ep 2)
Key Animation (OP1)
Key Animation (ep 5)
2nd Key Animation (eps 2, 7, 9), Animation Check (In-Between Animation Inspection: ep 5), In-Between Animation (eps 1-2, 4-5, 7, 9, ED)
Key Animation (ep 10)
Background Art
Theme Song Performance (OP)
Music
Storyboard (ED)
Key Animation (OP)
ADR Director
ADR Director
ADR Director
ADR Director (French)
Producer (English version)
Script (French)
Key Animation (OP)
Key Animation (ep 2)
Key Animation (ep 3)
Key Animation (ep 9)
Key Animation (eps 6-7)
Key Animation (ep 10)
Key Animation (ep 5)
Key Animation (ep 9)
Animation Director (eps 4, 8), Key Animation (eps 1, 4, 6, 11), Assistant Animation Director (ep 11)
Key Animation (ep 1)
Key Animation (ep 4)
Key Animation (ep 5)
Key Animation (ep 7)
Key Animation (ep 10)
Producer
Episode Director (ep 8)
Key Animation (ep 5)
Key Animation (eps 4-5)
Key Animation (ep 4)
2nd Key Animation (eps 2, 7), Key Animation (ep 12)
ADR Director
Producer (Animation)
Key Animation (OP2)
Key Animation (ep 11)
In-Between Animation (ep 10)
2nd Key Animation (ep 9)
Episode Director (ep 6), Animation Director (ep 6), Key Animation (ep 11, OP), Principle Drawing (ep 8)
Key Animation (ep 11)
Art Director (Assistant, eps 5-13)
Key Animation (ep 10)
Art Director
Episode Director (ep 8), Editing
Key Animation (ep 4)
Animation Director (ep 12), Key Animation (eps 2, 7, 12)
Sound Effects
Animation Director (eps 4, 8, 12), 2nd Key Animation (ep 12), Assistant Animation Director (ep 10)
Key Animation (ep 11)
Episode Director (ep 11)
Character Design (Sub-Character Design), Animation Director (ep 2, 3, 7, 11), Key Animation (OP1, ep 1, 3, 10, 11), Assistant Animation Director (ep 8)
Character Design, Chief Animation Director
Storyboard (ep 5)
Music
Storyboard (ep 4), Episode Director (ep 4), Animation Director (ep 4)
Theme Song Lyrics (OP, ED)
Amamiya is kawaii!
完結散花～～好看！