The BS Situation of Tougetsu Umidori Novel Volume 2 features story by Kaeru Ryouseirui.

In the middle of Golden Week, Umidori gets a call from an unknown number on her way home from her part time job. However, the mysterious girl on the line is the last person she ever expects to hear from. Meanwhile, as BS-chan is making tempura, waiting for Umidori to get home, a new threat rears its ugly head. Burials, grocery stores, Chinese food, and a blonde lady. Will Umidori manage to get everyone to team up and pull off her second fallicide?!