Dem-dol Kuromu-chan.Iruma's rank increase gets more newspaper coverage than Kuromu, a dem-dol. Asmodeus explains dem-dols are vital as teenage demons go through an "evil cycle" of destructive behaviour, so they are distracted by popular entertainment which converts their impulses into healthy excitement. Kuromu is revealed to be Crocell Keroli, a quiet girl from the misfit class who is embarrassed by her cute idol persona. Despite her siblings being better academically Crocell found that other demons treated her kindly because she was cute, so she became Kuromu to beat her siblings and earn a higher rank than her mother. However, since Iruma arrived he has been in the newspapers more often than her, making her jealous...