SOUR (サーワ) 

Gender: Male ( he/him )

Age: 18 years old

Birthday: October 21

Height: 5'3"

Type: Mezzo

Range: F3 - F5

Genre: Pop, Electronic

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Voiced By: ShallowOak.

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A fashionable and smug young boy, Sour sings in a cutesy, cartoonish voice. 

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The brother of Bitter and Yuzu, Sour loves to tease and scheme. When not causing drama, he tends to his garden or eats the treats Sweet makes for him.