Kokoro no Skimmer: Higurashi no Naku Koro ni & Umineko no Naku Koro ni Sakushin-shuu
ココロのスキマ~ひぐらしのなく頃に&うみねこのなく頃に作品集~
This manga is an anthology that combines characters and elements from "Higurashi When They Cry" and "Umineko When They Cry." It is published by Ohzora Publishing and presents a crossover between the two series.
