candy diamond
A character in The King of Fighters 2000. Candy is the robotic "sister" of Kula Diamond who is actually her partner during missions. Some personality was built-in her circuit and she and Kula developed fraternal feelings for each other. During The King of Fighters 2000, Kula and Candy went to space to destroy the Zero Cannon. With the cannon destroyed, Kula was falling head-first to Earth, but Candy sacrificed herself to save her beloved sister.
Despite being a robot, and robots normally show no feelings at all, Candy shows some feelings towards Kula.