Yui Yuigahama

由比ヶ浜結衣

Yui is a cheerful and outgoing girl who seeks help from the Service Club to bake cookies for someone special. While she struggles to handle her own issues, her perspective shifts after meeting Yukino, leading her to regularly attend Service Club sessions despite initial objections. She is also the owner of the dog involved in Hachiman's accident and ultimately confesses her feelings for him to the club members in the series finale.