Its a Bitlife game challenge taken from Bitlife MOD APK site, To become a librarian in Bitlife, focus on studying hard from primary school and majoring in Library Science at university. Enhance your chances by working part-time as a Junior Assistant in a library during your studies. After graduation, apply for librarian positions. If the option doesn’t appear immediately, restart the game and keep applying until successful. Bitlife's life simulation mirrors real-life career paths, emphasizing the importance of knowledge and dedication for book lovers and aspiring librarians