The Woobie: Yukisada is a perfectly sweet person and a Nice Guy who often winds up gored by Idate. On the less physically painful side of the spectrum, he often struggles to comfort Shirogane whenever he enters one of his slumps.
Shirogane is bullied by many of the islanders, constantly called a coward or useless (or compared to a piece of shit). He's had to watch his only friend get mauled and eaten by Idate, been bagged and used as an actual punching bag by Idate, and the source material does little more than laugh at him and call him a stupid coward for being upset about his fate.