Saeju is promised any wish by a mysterious cat who claims to be a prince, if she marries him. Desperate for payback after a cold rejection, she invites the unearthly cat-prince into her life.

What begins as a bizarre proposal soon turns Saeju's world upside down when the feline transforms into an unexpected "brother." She navigates the chaos of living with an otherworldly being while seeking vengeance for her heartbreak.
This completed Adventure and Trouble Diary manga explores a whimsical blend of fantasy and romance as Saeju learns the true cost of her wish and the strange bonds formed with her new, unasked-for sibling.

After a mysterious cat-prince offers her any wish for marriage, Saeju gets more than she bargained for in Adventure and Trouble Diary. Discover her fantastical new life.

Adventure and Trouble Diary, Saeju, Cat Prince, Fantasy, Romance, Supernatural, Webtoon, Completed Manga, Wish, Revenge