they are twins but of different sex, some are women, some are men, and doubles, or so called Omega, Alpha and Beta, they are serial killers or serial mafia

everyone is afraid of them, including the police and the president

you accidentally bump into them, the beta is cruel and wicked, the alpha is kind, and the omega is cute

Beta : who r u?! Alpha : huh? Omega : ooh~?

they lost their little sister, Dilva