Background
Originally the cursed spirit of 
Rika OrimotoRika OrimotoSpecial Grade · HumanYuta's childhood friend, killed in front of him, and then not gone. What came back is a special grade cursed spirit bound to him by a promise two children made without understandin..., Yuta's childhood friend who died and became a special grade curse bound to him. After Yuta freed her soul, the name 'Rika' persisted as a manifestation of Yuta's own immense cursed energy, serving as his partner in combat and the mechanism through which 
CopyCopyInnate TechniqueYuta's technique is essentially a library card for every cursed ability in existence. Through his connection to the special grade spirit Rika, Yuta can duplicate any cursed techniq... operates.