Haru San is a central character in the anime series 'Sekai no Owari ni Shiba Inu to'. Haru is a Shiba Inu with an intelligent and thoughtful demeanor, often guiding the human protagonist through the post-apocalyptic world they inhabit. Despite the grim setting, Haru maintains a sense of optimism and wisdom, offering comfort and strategic insights. His loyalty and affable nature endear him to those around him, making Haru not only a companion but a crucial figure in navigating the challenges of their desolate environment.