Blood Blockade Battlefront: Chain Sumeragi

 Chain is a composed and responsible member of the Werewolf Bureau known as Rū-Garūzu furomu Nōuea.  She is also quite sadistic and can be indifferent to most people.  Although she does show a bit of empathy towards her friends.  Chain has the ability to nullify her own presence, but she must maintain a link to the world or she will cease to exist. 

Air Gear: Kururu Sumeragi

Kururu is the messy haired leader of 'Tool Toul To' and Ikki's tuner.  As a tuner she is able to fix a person's Air Treks in mid air.  She is kind and determined and capable of hiding her many tools on her body.