Mitsuki Sonoda
, 園田 美月
The president of the student council is Yuus older sister. She often indulges in daydreams without realizing it. Similarly, Mitsuki shares this trait with her sister and sports a floral hairpin while being fond of matcha.
Spoilers:
Mitsuki suspect the relation between Haruka and Yuu after seeing them kissing. On the other hand, she also has a crush on Haruka.
