Ruri Hoshino is a highly intelligent and somewhat aloof young girl serving as the systems operator aboard the spaceship Nadesico in the anime series Kidou Senkan Nadesico. Known for her iconic catchphrase 'Baka bakka', she often points out the irrational behavior of her crewmates. Ruri is characterized by her analytical nature and exceptional computer skills, which make her an invaluable asset to the Nadesico's crew. Despite her cool demeanor, she gradually forms meaningful relationships with the crew, showcasing her hidden warmth and sense of belonging.