Alissa and the Magic Diary

Read manhwa Alissa and the Magic Diary / 알리사와 마법일기
One day, Alisa, a librarian at the Royal Library, discovers an ownerless diary. When she writes her name in the diary, she is sucked into an unfamiliar place and meets a boy who introduces himself as Louis.
Strangely enough, Alisa, who thought the world was nothing more than a diary, becomes friends with Louis through the diary and they often spend time together.
Then, I attended the Queen’s Selection Ball with a light heart, thinking that nothing would happen.
Why is the king interested in me?