長鴻出版社
A manga adaptation based on "Your Diary", drawn by illustrator Sō Hamayumiba, was serialized between volumes 19 and 24 of Hakusensha's "Young Animal Island" sold between June 29, 2012 and September 27, 2013. Alongside the final issue (No. 24) of "Young Animal Island", a single tankōbon volume () was released under the Jets Comics imprint. The manga continued serialization in volume 1 of "Young Animal Innocent" sold on March 19, 2014, but the manga has been unfinished ever since. Ever Glory Publishing has licensed the manga and released a volume in Taiwanese on May 28, 2014.