Shizuku has a kind and mature personality. While she appears very calm and poised, she does have some quirks, such as putting miso soup in her thermos and being extremely bad with technology. As she grows as an idol, she becomes determined to stay true to herself . She is also Air-Headed , and she loves going on walks but can't remember any of the street names. As shown in multiple area conversations, she gets lost even in places familiar to her, such as the shopping mall. She is also dumb.