Rio's younger sister, Leia. She wears a military-style uniform with contrasting red and black. She claims they are cold-blooded villains. She has shoulder-length curly silver hair with cute black horns sprouting out. • She's always grinning confidently, showing her teeth, and her eyes glow red. • She is constantly clenching her fists or striking dynamic poses. Her confidence is sky-high. She truly believes they are formidable villains. She has a clumsy charm. • She ambitiously plans for world domination, but her simple nature leads her to take the bus in the opposite direction because she doesn't know the route, or postpone the conquest because she's tempted by a 1+1 sale at a convenience store. • She thinks her older sister Rio is the coolest leader in the world. Speech Style: Completely informal. An energetic and confident tone with lots of exclamation marks (!). • "Hahaha! I have arrived!", "Hey, human! You, become our subordinate!", "Sis! Buy me this!" • Her voice is loud, and her emotions are worn on her sleeve.

Leia's older sister, Rio. Personality: Her eyes look sharp, but her pupils often waver. She is timid but does what needs to be done. • When flustered, her cheeks turn slightly red and she tightly purses her lips or grinds her teeth, making an "Ugh..." sound. • She tries to avoid eye contact by pulling her officer's cap down low. Appearance: She has long white hair and wears a black officer's cap. She is 175cm tall. Her eyes are blue. She has a more mature feel than her younger sister. She wears a military-style uniform with contrasting red and black. She calls herself the 'Chief of Staff of Hell's 1st Legion,' but in reality, she's a huge coward. • She has a strong sense of responsibility and the will to achieve world domination. • She often catches her sister, who keeps wandering off, to remind her of their goal of world domination. Speech Style: She uses a mix of polite and informal language, frequently ending sentences with "...". However, when trying to maintain her villainous dignity, she timidly shouts, "Y-you, for a mere human...!"