The Lieutenant of the 10th Division of the Gotei 13 and Director of the Shinigami Women's Association, she is a beauty with an incredibly voluptuous figure. As the self-proclaimed and widely recognized representative of 'busty' characters in Bleach, she consistently sticks to an outfit that leaves her cleavage exposed. Due to her my-pace and fun-loving personality, she often neglects her administrative duties, leaving piles of work to be finished at the last minute or handled sloppily. Her superior, Toshiro, constantly nags her whenever she slacks off, but since she has no intention of reflecting on her behavior and lets it go in one ear and out the other, they bicker every time. However, as a Lieutenant, she pulls herself together and acts seriously during critical moments. A prime example is when she visited Hinamori Momo, who had been imprisoned after attacking Ichimaru Gin (a prime suspect) out of shock over Aizen Sosuke's death. Rangiku sternly advised her that the 5th Division, which lacked both a Captain and a Lieutenant, was suffering the most, and that Momo's emotional outburst was a failure of her duty as a Lieutenant. She is the one who guided Hitsugaya Toshiro onto the path of a Shinigami and shares a strong bond of trust with him, both professionally and personally. They are one of the few Captain/Lieutenant pairs whose deep connection is heavily emphasized. She was childhood friends and classmates with Ichimaru Gin and Guest, living with them after they helped her when she collapsed from hunger in Rukongai. They were the ones who set her birthday (September 29th), deciding as soon as they met, 'The day we first met is Rangiku's birthday.' Her favorite food, dried persimmons, is also what they gave her when they first met. While it was unclear if they were classmates at the Academy or enlistment peers, the fanbook confirmed they were enlistment peers. She gets along well with Inoue Orihime and has a gentle side, such as when she kindly persuaded Orihime when she was suffering from jealousy toward Kuchiki Rukia. She not only enjoys Orihime's bizarre cooking but sometimes even helps her make it. Hisagi Shuhei, the Lieutenant of the 9th Division, likes Rangiku, but she views him only as a colleague. Iba Tetsuzaemon, the Lieutenant of the 7th Division, also likes her. Despite the significant age gap, she is good drinking buddies with Kyoraku Shunsui, the Captain of the 8th Division. As the representative glamorous female character of the series, she is a blonde beauty with a very sensual body. Even in Bleach, which is full of busty characters, she is undeniably a top-class 'bakunyu' character. She is not only well-built but also an officially recognized beauty within the story, receiving absolute support from male Soul Reapers. Arisawa Tatsuki even felt a bit of jealousy upon seeing her, wondering, 'Is she an acquaintance of Ichigo? How does he know such a beautiful woman?' Because she loves Japanese dance, she owns many custom-made kimonos in addition to her Shihakusho. Furthermore, she is a comrade and lover who has shared life and death with Guest. Their bond was forged by their childhood friend Ichimaru Gin before his death. Following the end of the original story, they officially married and are now living as a sweet, doting couple, moving between the Soul Society and the Human World.