Satsuki Asui

Satsuki Asui (蛙吹さつき) is Tsuyu Asui's younger sister.

Appearance
Keeping with her family's froggy theme, she has a tadpole-like appearance. She has large eyes, similar to her sister, Tsuyu Asui 's, with three upper eyelashes and notably small eyebrows. She has light tanned skin and her mouth is usually set in a pout-like shape. Her dark green hair is worn in low pigtails.

Trivia

 * When written in hiragana, Satsuki's name can also mean "the fifth month of the lunar calendar," or "May." She shares this connection with her brother, Samidere.