Rin Natsume is one of the main characters from the anime series 'Little Busters!'. She is the younger sister of Kyousuke Natsume and is known for her shy and introverted personality. Despite her initial reluctance to socialize, she is deeply caring and loyal to her friends. Rin is a member of the Little Busters group, and she has a special bond with Riki Naoe, the protagonist. Throughout the series, Rin's character development is central, as she learns to open up and face challenges, contributing significantly to the story's emotional depth.