|Full name||Sellier Quele|
|Hair color||Orange/Blue (two toned)|
Quele Sellier (キュール・ゼリア Kyūru Zeria?) is Lisara Restall's distant cousin and too a Grim Reaper. She calls Lisara "Onee-sama" despite not being her sister. She made a contract with Mina Okura as her energy source to both Ryosuke Kaga's and Lisara's dismay. She wields a gladius called "Carnun Solace" (カルヌーンソラス Karunūn Sorasu?), which she employs to further her manipulation of ice. She is in love with Ryosuke.
- She is voiced by Arisa Nishiguchi
- She is the only female character that has not shown her nipples.