吾妻玲二是一名普通的日本少年，在來美國洛杉磯的初中畢業旅遊期間無意中卷入了一起黑社會的暗殺事件。幸運的是，由於被發現擁有殺手的天賦，他沒有被殺人滅口，而是被消去記憶，並由組織中最強的少女殺手Ein訓練、成為了超乎常人的殺人機器Zwei。出道後，他的殺手生涯似乎很順利，但很快他就被卷入了黑社會內部的血腥鬥爭之中。此後為了自己和所愛之人的未來，Zwei必須做出種種抉擇。
吾妻玲二是一名普通的日本少年，在來美國洛杉磯的初中畢業旅遊期間無意中卷入了一起黑社會的暗殺事件。幸運的是，由於被發現擁有殺手的天賦，他沒有被殺人滅口，而是被消去記憶，並由組織中最強的少女殺手Ein訓練、成為了超乎常人的殺人機器Zwei。出道後，他的殺手生涯似乎很順利，但很快他就被卷入了黑社會內部的血腥鬥爭之中。此後為了自己和所愛之人的未來，Zwei必須做出種種抉擇。
Planning
Key Animation (ep 3)
Key Animation (ep 3)
Publicity
Executive Producer
Storyboard (ep 19), Episode Director (eps 5, 10, 14, 19)
Animation Check (ep 3), Key Animation (eps 1-3)
Producer
Associate Producer
Executive Producer
Director of Photography
Key Animation (OP2)
Animation Director, Key Animation (eps 1, 3), Assistant Animation Director
Color Design, Color Setting
Director (Image Direcot), Background Art (texture artist: Bee Train)
Mechanical Design
Character Design, Animation Director, Key Animation
Art Director
Storyboard, Episode Director
Music, Theme Song Arrangement (OP1, ED2)
Sound Director
Storyboard, Episode Director
Character Design, Key Animation (OP)
Theme Song Arrangement, Theme Song Composition
Storyboard, Episode Director
Storyboard (ep. 14)
Theme Song Performance (ED1 & OP2)
Character Design, Key Animation
Producer
Associate Producer
Key Animation (ep 3)
Executive Producer (ep 1)
Key Animation (ep 2)
Key Animation (ep 2)
Background Art
Animation Director (ep 2), Key Animation (eps 1-2)
Script (ep 5), Screenplay (ep 5)
Music
Layout (3D)
Theme Song Lyrics
Associate Producer (animation producer), Production Manager
Production Manager, Producer (Animation Producer)
Key Animation (ep 1)
Key Animation
Key Animation (ep 1)
Key Animation (ep 1)
Key Animation (ep 3)
Key Animation (ep 1)
Associate Producer
Sound Effects
Planning
Key Animation (ep 2)
Executive Producer
Key Animation (ep 2, 9, 11)
Key Animation (ep 5, 11)
Key Animation (OP 2)
2nd Key Animation, Key Animation (OP1, ep 1-2, 4, 6, 8-9, 11-12, 20), Assistant Animation Director (ep 6, 9)
Script (ep 8)
Key Animation (ep 2)
Storyboard (ep 24, 25)
Animation Check (eps 2, 4-7, 9)
Storyboard (eps 4, 9, 14, 21), Episode Director (eps 4, 9, 15, 20, 25)
Executive Producer (English version)
Theme Song Composition (OP1, ED2), Theme Song Lyrics (OP1, ED2), Theme Song Performance (OP1, ED2)
Original Creator (scenario), Screenplay (eps 6, 18, 25)
Character Design, Animation Director, Key Animation
Character Design (Animation Character Design), Animation Director (eps 1, 10, 17, ED), Key Animation (ep 1)
Planning
Key Animation (ep 8)
Director, Storyboard
Original Creator
Script, Series Composition
Script (ep 13)
ADR Director
Producer (English version)
Script (English version)
Amamiya is kawaii!
完結散花～～好看！