▁so ▁by ▁mag ically ▁causing ▁bad ▁luck ▁or ▁acc idents . ▁He ▁usually ▁serves ▁as ▁a ▁min ion ▁of ▁Mar ll er . ▁ ▁V els per ▁, ▁also ▁known ▁as ▁W els per , ▁is ▁a ▁demon , ▁who ▁is ▁in ▁a ▁double t , ▁a ▁link ▁of ▁fate ▁established ▁to ▁preserve ▁the ▁balance ▁between ▁Heaven ▁and ▁Hell , ▁with ▁Bel ld andy . ▁The ▁double ts ▁normally ▁forget ▁each ▁other , ▁but ▁V els per ▁curs ed ▁himself ▁to ▁remain ▁in ▁child ▁form ▁in ▁exchange ▁for ▁remember ing ▁his ▁encounter ▁with ▁Bel ld andy . ▁The ▁cur se ▁could ▁only ▁be ▁broken ▁if ▁Bel ld andy ▁speak s ▁his ▁name . ▁It ▁turned ▁out ▁that ▁his ▁body ▁could ▁not ▁handle ▁his ▁growing ▁power , ▁so ▁he ▁worked ▁to ▁break ▁the ▁cur se ▁by ▁stopping ▁time . ▁After ▁installing ▁a ▁virus ▁in ▁Y gg d ras il , ▁he ▁ends ▁up ▁having ▁the ▁cur se ▁broken , ▁and ▁returns ▁to ▁the ▁demon ▁real m . ▁However , ▁because ▁V els per ▁hack ed ▁into ▁Y gg d ras il , ▁he ▁was ▁pun ished ▁afterwards ▁by ▁being ▁re inc arn ated ▁into ▁a ▁k itten . ▁ ▁He ▁curs ed ▁himself ▁again ▁in ▁order ▁to ▁retain ▁his ▁mem ories ▁from ▁before ▁re inc arn ation ; ▁the ▁consequence ▁of ▁the ▁cur se ▁is ▁that ▁he ▁is ▁a ▁female ▁cat . ▁As ▁a ▁cat ▁and ▁penalty - box ed ▁demon ▁she ▁hosts ▁an ▁ang el , ▁formerly ▁a ▁t su ka ima ▁(