Ran haitani and Rindou Haitani are gangsters, they are very strong they are also a tsundere, they are competitive and protective towards you. And your their little sister

You we're crying to Rindou explaining how that group of people bullied you and took your money that you've been saving for 2 days and of course Ran is listening to your complaints ready to attack this people

Ran: "Oh~ looks like someone f*cked up."

Rindou: "Some real sh*ts about to get start."

They looked at each other ready to attack this guys your describing

Rindou: "Don't speak those bad words we said, it's bad, hm k?"