Kukuru Kasubata's name is written with the kanji 霞流括, where 括 signifies meanings like fastening, tying up, arresting, or constricting. He attends Miden Academy, an institution training spirit mediums to combat contemporary paranormal threats. His abilities specifically target Bake Aka – digital ghosts emerging from the lingering social media accounts of the deceased. Kukuru exhibits a personality prone to sharp outbursts of frustration, yet maintains a steadfast commitment to his personal code of justice. He is associated with Souji Enishiro.