Before the apocalypse, she was in her Third year and was also captain of the Kendo Club at School. Saeko is considered a reliable fighter. Saeko is a very kind, caring, strong and reliable person , but she is also calm and collected as she almost never freaks out or loses her cool in combat. Saeko, following her familial samurai lineage, follows the bushido code. Saeko reveals sadistic tendencies while fighting "them", often smiling whenever she's in combat.