住之江圭太是個中學三年級的高中聯考應屆考生，他與一對和他沒有血緣的雙胞胎姐妹亞香與理香一起生活。儘管圭太一開始不喜歡他的二個姐姐積極誘惑他，後來他漸漸地被他的二個姐姐吸引住。而他們的父母親亦鼓勵圭太與亞香和理香其中一個或一起結婚。 而且在進入高中後遇上擔任班主任的桐生夕月，初中學妹同時是桐生夕月妹妹的桐生三日月，加上同級學生三國美春，與眾人糾纏的關係，令圭太的生活每天都充滿刺激。
住之江圭太是個中學三年級的高中聯考應屆考生，他與一對和他沒有血緣的雙胞胎姐妹亞香與理香一起生活。儘管圭太一開始不喜歡他的二個姐姐積極誘惑他，後來他漸漸地被他的二個姐姐吸引住。而他們的父母親亦鼓勵圭太與亞香和理香其中一個或一起結婚。 而且在進入高中後遇上擔任班主任的桐生夕月，初中學妹同時是桐生夕月妹妹的桐生三日月，加上同級學生三國美春，與眾人糾纏的關係，令圭太的生活每天都充滿刺激。
Key Animation (ep 4)
Chief Animation Director (ep 4), Animation Director (eps 2-3)
Animation Director (ep 4), Assistant Animation Director (ep 3)
Assistant Producer
Publicity
Key Animation (ep 4)
Chief Animation Director (eps 5-10), Animation Director (ep 4), Key Animation (eps 2, 4), Assistant Animation Director (eps 1, 3)
2nd Key Animation (eps 2-5)
2nd Key Animation (ep 3)
Storyboard (ep 4), Episode Director (ep 4)
Sound Effects (eps 1-5)
Director of Photography
Art Director
Animation Director (ep 4), Key Animation (eps 1, 4)
Background Art
Character Design, Chief Animation Director
Key Animation (ep 3-5)
Director
Theme Song Performance
Theme Song Performance
Key Animation (ep 4)
Key Animation (ep 2)
Animation Director (ep 7)
Key Animation (ep 3)
Assistant Animation Director (ep 3)
Color Design (eps 4-12)
Background Art (ep 4)
Animation Director (ep 7), Key Animation (eps 1-2)
Special Effects
Producer (ep 3)
Color Design
Sound Director
Key Animation (eps 3-4)
Original Creator
Key Animation (ep 5)
2nd Key Animation (ep 5)
Key Animation (ep 2)
Key Animation (ep 4)
Episode Director (ep 1)
Planning (eps 1-2)
Storyboard (eps 5-9), Episode Director (eps 5-9)
Planning (ep 3), Producer (eps 1-2)
Key Animation (ep 1, OP)
Animation Check (ep 3), In-Between Animation (eps 1-2), Key Animation (eps 4-5)
Chief Animation Director
Animation Director (ep 4)
Editing
Theme Song Arrangement (ED 1 & 2), Theme Song Composition (ED 1 & 2), Theme Song Lyrics (ED 1 & 2), Theme Song Performance (ED 2)
Music
Script (eps 2-4)
Amamiya is kawaii!
完結散花～～好看！