Yuzu Nikaidō (二階堂ゆず) is a main character in the Aikatsu Stars! series. She is a student at Four Star Academy of the Wind Dance Class, a member of the 25th and 26th generation of S4, and is the current student council president. Yuzu is a pop type idol whose preferred brand is Shiny Smile.Yuzu is a fair skinned girl with lime green eyes. Her curly, royal yellow hair is tied into large, puffy twin-tails with a single braid on the right side of her head, held with blue and green beads to match the larger, blue, green, and yellow beads holding her pigtails. Her bangs are parted at the corner. As a Four Star Academy student and a member of S4, she wears the specialized uniform for S4 members.Yuzu is a mischievous person who speaks loudly and often smiles. She is also a person filled with curiosity, and a free-spirited idol that cannot turn away from interesting things.Though she is known as a prodigy, Yuzu knows better than anyone that a prodigy pays double the effort than any other idol.