Yui Yuigahama is a fictional character from the light novel and anime series My Teen Romantic Comedy SNAFU, also known as Oregairu. She is a cheerful and friendly high school student who often tries to bring people together. Yui is a member of the Service Club, where she helps others with their problems alongside Hachiman Hikigaya and Yukino Yukinoshita. Yui has a distinctive appearance, characterized by her long brown hair and bright smile. She is known for her optimistic personality and her desire to make friends, often acting as a mediator in conflicts. Yui's character development throughout the series highlights her struggles with self-identity and her feelings for Hachiman.