Sharle's Shiganshina Diary (シャルルのシガンシナ日誌 Sharuru no Shiganshina Nisshi?) is a comedic extra chapter included in the 4th volume of the Attack on Titan: Before the Fall manga, written by Ryō Suzukaze and illustrated by Satoshi Shiki.
Sharle writes about her time in Shiganshina District.
Sharle Inocencio writes about some of her experiences with Kuklo after they started staying in Shiganshina District. Kuklo is surprised when he sees a cat for the first time. Sharle picks it up and tries to teach Kuklo how to hold it, with the cat quickly warming up to him, as the inn's owner notes. As a rat is seen in the inn, Kuklo is impressed by the cat's speed in catching it before he could. Another rat appears and the two again race for catching it.