Shuumatsu no Waltz — Chapter 6: extra
37 pages, from Yaoism801, released Feb 26, 2019.
Volume 1
Description
In a world that’s heading towards its end, Shirou, a scientist whose sole purpose in life is to create butterflies that can purify the world, encountered a male humanoid named Kuroe. What is Kuroe’s real identity? Why does he proclaim on wanting to meet Shirou?