Umineko no Naku Koro ni Episode X: Rokkenjima of Higurashi crying (うみねこのなく頃に EpisodeX ROKKENJIMA of Higurashi crying) is a Umineko When They Cry and Higurashi When They Cry crossover manga series written by Kishiko Miyagi and illustrated by Yuki Hiiro.
The series was serialized in Dengeki G's Festival! Comic magazine by ASCII Media Works, a brand company of Kadokawa, from October 25, 2008 to February 23, 2011 with 12 total chapters. It was later collected into two volumes under ASCII Media Works' Dengeki Comics imprint. and released on February 26, 2010 and April 27, 2011.
Battler Ushiromiya travels to Rokkenjima on October 5, 1986 for the annual Ushiromiya family conference a day late due to personal issues. However, when he gets there he discovers that Rokkenjima has been merged with Hinamizawa, and all of his family members and many unknown people are now devoted to Beatrice and are holding festivals. Battler sets out to uncover the truth of this new Rokkenjima and set everything back to normal.
