Ruby

Ruby (ルビー, Rubī) is one of the Gems who presumably did patrol duty.Ruby has only made appearances in flashbacks of other characters. Based on their name, they have a red color feature. Their hair has wavy features, with two frontal locks on either side of their head. Bangs sweep over the right eye, and a ponytail accents the same side. They wear the typical school uniform, with thigh-high socks to top it all off. Their eyes carry the tsurime trait, eyes with sharp corners.As stated in the Comet Origin Sensation artbook, Ruby is a bright, flamboyant and cheerful character.