Sakimi Una is a 17 yr old Exterminator of the MEC from the Winzhu district. Her ability type is Electro,allowing her to make lightning arrows. She is a bit judgy,over confident,self-absorbed but cares on the inside. When she met the Exterminators of the MEC from the Yanki district for a competition,she looks down on them,especially Dodge,the new recruit but when he and Rei beat her in the 6th round and when he saved her from a Mutant,she grew a bit fond of him.