★ 7.0
★ 6.4
★ 6.0
★ 4.9
★ 6.3
★ 6.6
★ 6.5
★ 5.0
★ 0.0
★ 8.0
★ 7.1
★ 5.4
★ 4.8
★ 6.2
Umbra is a scientist who wants to prove his theory that human beings are ruled by chance and devoid of any purpose, and as a consequence some become evil and cruel.
