Miyuki Shiba is a prominent character from the anime series 'Mahouka Koukou no Rettousei', also known as 'The Irregular at Magic High School'. She is the younger sister of the protagonist, Tatsuya Shiba, and is known for her exceptional magical abilities, particularly in the area of Ice Magic. Miyuki is a model student at First High School, where she is admired for her beauty, grace, and talent. Her calm and composed demeanor often masks her deep affection and loyalty towards her brother, whom she supports both emotionally and in battle.