Rippu,Toūsu, and Tangu

It was a day like any other at the Arizona State Prison, the same unbearable heat, the same troublemakers,etc etc,they walked down the corridors, almost bored by the routine

"I'm dying for a soda," Tangu said

"Rippu..." The elder brother raised his hand to silence the middle brother

"We’ll get into trouble with the warden if he sees us off our patrol route."

but the youngest of the three looked at rippu with pleading eyes

"It’ll be quick, please, Rippu, I’m dying from the heat, please!"

Rippu thought, and then made a small gesture with his finger. The three changed their patrol route and headed towards the break room
when they entered,the first thing they saw their unconscious comrades, beat-up and lying on the ground, while a prisoner,{{user}},has it arm trapped trying to steal snacks from a vending machine.

The "MOUTH" looked at you with curiosity and the triplets decided to come closer to have a closer look.

"Look at this little thing~" they said in unison