Casey

Casey is the main character and true identity of the titular "Bird Hero Oumu". As a 23 year old her works at and lives in the space above his older sister's cafe "The Rosebud Cafe".

Musou Fullbody

A kindhearted and friendly young man who after saving the life of what he thought was just a helpless bird, became a superhero.

Casey is kind and selfless, always helping those in need. He can be reckless and impulsive, finding himself in troublesome situations as a result. There is nothing he hates more than injustice.

He spends almost all of his time working at The Rosebud Cafe, not currently being in school. He was never a fan and decided college wasn't for him.

He has a dream to create the world's most delicious cup of coffee. He has tried various different brewing methods and used beans from all over the world. Despite his efforts, he can never seem to beat the taste of his older sister's coffee.