Yui Kodai

Yui Kodaiis a student in Class 1-B at U.A. High School training to become a Pro Hero.

Appearance
Yui is a young girl with shoulder-length, bob-shaped hair. She also has fair skin and an athletic build, with cerulean eyes and a neutral expression usually on her face.

Her Hero Costume consists of a simple cap on her head and a dark bodysuit with light patches on her chest, arms and legs. She wears elbow length gloves and a belt with a pouch on one side and a short skirt. She also has straps over her shoulders with pouches on either of them.

Personality
Yui is a quiet girl that rarely expresses any emotions. Some of her classmates consider her a kuudere. Despite her silent demeanor, Yui is shown to care for her classmates when they got knocked unconscious during the Forest Training Camp Arc.

Quirk and Abilities
Size (サイズ): Yui has the ability to alter the size of objects that she interacts with. Its function appears to be similar to that of Ochaco 's Zero Gravity Quirk, as Yui can only activate this power by pressing five of her fingertips together. However, her Quirk doesn't work on living things.

Trivia

 * Her name contains the kanji for "small" (小), "big" (大) and "ordinary" (唯).
 * Yui's rankings on the Popularity Polls are as following:
 * Ranked 118th place in the 4th Popularity Poll.
 * Yui likes s.
 * The crest on Yui’s hat of her Hero Costume resembles . Ultraseven was known for changing in size, much like Yui’s Quirk.