>>281983216
Bad translation. Fami obviously never calls Death Fami. And Fami's querstion is a reference to Death Devil telling her to "plunge manking into an abyss of terror".
Death Devil tells Fami to think for herself, which just leads her to asking more stupid questions.
The two omakes are sort of a continuation of each other (like the one where Asa keeps droning on until Yoru snaps). In this case Falling has enough with Fami's inane questions and starts hurling rocks at her.