Due to author's sudden death, Itazura na Kiss manga remains unfinished, but the 2008 anime adaptation portrays the author's planned ending found in her notes. Tada Kaoru had an accident while she was moving homes with her son and husband, and passed away around two and half weeks later.
The series has been published in English by Digital Manga Publishing since November 4, 2009. Media Do International/M'z Planning has been digitally publishing the series as itazurana Kiss since November 7, 2017.