Tokko

Shindou Ranmaru, a recent police academy graduate, is assigned to the Special Mobile Investigation Force, Tokko. On his graduation day, he encounters Rokujo Sakura, a woman he's seen in his dreams and who works for Tokko's secret Special Public Safety Task Force. Driven by a desire for vengeance for his parents' death, Shindou joins Tokko to uncover the truth behind the mysterious mass murder that occurred in his hometown of Machida. As he investigates, bottomless pits begin appearing across Japan, unleashing strange creatures. The anime explores the potential connection between these events and the Machida Massacre, as Shindou and Sakura delve deeper into the unsettling mysteries surrounding them. The series focuses on themes of revenge, justice, and the supernatural.