Following this , his right arm was corrupted as well and became part Impurity with great offensive power .
However , Yuuto Ijika caused a tragedy at the Hiinatsuki Dormitory which forced Rokuro in taking the lives of his friends who had been forcibly corrupted .
Following this , Rokuro 's right arm was corrupted as well and became part Impurity with great offensive power .
However , Yuuto Ijika caused a tragedy at the Hiinatsuki Dormitory which forced Rokuro in taking the lives of his friends who had been forcibly corrupted .