淺村悠太在高中二年級17歲那年，因父親再婚而多了個義妹。他的新妹妹綾瀨沙季跟他同齡，而且還在學校同班。兩人初次見面時，沙季跟悠太說「我對你沒有任何期待，所以希望你也別對我有任何期待」，正有此意的悠太也同意了。他們因而不勉強增進兄妹情誼，維持現有像是外人般的相處模式。沙季維持舊姓，兩人在學校也不公開兄妹關係。
淺村悠太在高中二年級17歲那年，因父親再婚而多了個義妹。他的新妹妹綾瀨沙季跟他同齡，而且還在學校同班。兩人初次見面時，沙季跟悠太說「我對你沒有任何期待，所以希望你也別對我有任何期待」，正有此意的悠太也同意了。他們因而不勉強增進兄妹情誼，維持現有像是外人般的相處模式。沙季維持舊姓，兩人在學校也不公開兄妹關係。
Original Character Design
Background Art (Art Design)
Background Art (Art Design)
Script (eps 1-3), Series Composition
Script (ep 5)
Art Director
Animation Director (eps 1, 3)
Original Creator
Storyboard (ep 2)
Animation Director (ep 9)
Animation Director (ep 6)
Animation Director (ep 6)
Animation Director (ep 4)
Animation Director (ep 4)
Animation Director (ep 4)
Animation Director (eps 4-5)
Script (eps 4, 6)
Animation Director (ep 4)
Animation Director (ep 3)
Animation Director (ep 3)
Animation Director (ep 3)
Episode Director (ep 2)
Episode Director (ep 3)
Theme Song Arrangement (OP, ED1), Theme Song Composition (OP, ED1)
Producer
Executive Producer
Executive Producer
Assistant Producer
Producer
Producer
Planning
Animation Director (eps 3-4)
Theme Song Arrangement (ED2), Theme Song Performance (ED2)
Animation Director (eps 3-4)
Color Design
Animation Director
Key Animation
Producer
Executive Producer
Key Animation
Sound Director
Executive Producer
Planning
Animation Director (ep 4), Key Animation (Main Animation)
Episode Director (ep 6)
Episode Director (eps 1, 3)
Editing
Sound Effects
Planning
Animation Director (eps 1-3, 6)
Director, Storyboard (eps 1, 3, 6), Episode Director (ep 3)
Animation Director (eps 2-4)
Theme Song Performance (OP, ED1)
Theme Song Lyrics (OP, ED1)
Special Effects
Animation Director (eps 1-2, 5)
Animation Director (eps 1-3, 5)
Animation Director (eps 1, 4, 6)
Animation Director (eps 1, 3-4, 6)
Animation Director (eps 1, 5-6)
Producer
Producer
Music
Executive Producer
Executive Producer
Storyboard (ep 5), Episode Director (eps 1, 5)
Storyboard (ep 4), Episode Director (eps 1, 4)
Key Animation (Main Animation)
Producer (Animation Producer)
Producer
Animation Director (eps 2, 5-6)
Animation Director (ep 6)
Animation Director (ep 3)
Executive Producer
Planning
Director of Photography
Character Design, Chief Animation Director (eps 1-6)
Amamiya is kawaii!
完結散花～～好看！