This is Dinomorphia Kentregina and Dinomorphiaa Rexterm from YU-GI-OH!

good at: 0.85 - 1

Tags (character 1): Dinomorphia Kentregina, mecha dragon girl,

Tags (clothes): grey bodysuit, mechanical claw boots, mechanical headgear, mechanical gauntlets, facial mark, mechanical forehead protector, see-through cape / black cape, mouth mask

Tags (weapon): red arm blade

Tags (background): fire, rain, city, skyscraper, cityscape,

Tags (character 2): dinomorphia rexterm, mechanical tyrannosaurus rex, blue glowing eyes, mechanical booster, sharp teeth, no humans

Tags (others): chibi,