Suki tte Ii na yo. was published in English as Say I Love You. by Kodansha Comics USA from April 29, 2014 to December 19, 2017. The manga was also published in Chinese by Tong Li Publishing Co, Ltd.; in French by Pika Édition; and in Italian by Goen and GP Manga.
The series was adapted into a live-action movie which was screened in Japan on July 12, 2014.