Albireo

アルビレオ

Albireo
Albireoアルビレオ 
AliasesSwan Knight
Hair, Curly, Parted to Side, Sidehair, Waist Length+, White
Eyes, Blue
Body, Feathery Wings, Young-adult
Clothes, Glasses
Items, Sword
Personality, Confident, Energetic, Kind, Ore
Role, Based on a Fictional Character, Duck, Knight
Engages in, Fighting, Flying, Shapeshifting
Subject of, Human Subject Research
Visual novelsMain character - Zettai Meikyuu Himitsu no Oyayubi-hime
Voiced byKakihara Tetsuya

Description

"Women aren't something you can pluck lightly. They're something you offer yourself up with all your might to be engulfed by."

A young man with beautiful white wings that appears gallantly in front of Thumbelina.
He's actually the transformed form of the Ugly Duckling.
A smug gentleman who is a little overbearing. He calls himself the 'Sexy Attendant'.
He gives off a trivial impression, but he is actually good with the sword and has a helpful side.

Other instances

Ugly Duckling
Ugly Ducklingみにくいアヒルの子 
Body, Feathers
Personality, Blunt, Energetic, Immature, Ore-sama, Tsundere
Role, Based on a Fictional Character, Duck
Engages in, Flying, Shapeshifting
Subject of, Human Subject Research
Visual novelsSide character - Zettai Meikyuu Himitsu no Oyayubi-hime
Voiced byKakihara Tetsuya

Description

"Hmm, If you want a fight I'll give it to you, you impotent bastard!!"

A grey duckling that escaped from a certain castle.
He's coming along on the journey with Thumbelina as emergency rations.
He's exceedingly frank and loves women. He often talks non-stop about indecent topics.