| IU found her passion for the entertainment industry at a young age. |
| During her childhood, IU lived in a small studio apartment with her grandmother. |
| Facing financial difficulties, IU's grandmother sold hair accessories to earn money. |
| IU served as the class president in elementary school. |
| She decided to pursue a singing career after receiving praise for a performance at a school event. |
| IU owns a collection of marble balls. |
| Before her debut, IU took part in numerous auditions and encountered rejections. |
| She once auditioned for JYP Entertainment without success. |
| In 2008, IU made her debut as a singer. |
| IU has achieved many accolades and awards in the music industry. |
| Aside from her music career, IU has won acting awards and recognition as an actress. |
| Active in philanthropy, IU has made notable donations. |
| She established the IU scholarship to assist students from low-income backgrounds. |
| IU has dealt with controversies, including plagiarism accusations and false spy claims. |
| Having been in relationships, IU has notably dated Jang Ki-ha and Lee Jong-suk. |
| IU shares a close friendship with actress Yoo In-na. |
| She has a strong bond with her fans, affectionately known as Uaena. |