"Do you believe a video can be cursed?" A girl walks in front of a train after watching a particular video and is subsequently admitted to a psych ward. Takao is the only one who believes her twin sister when she says it wasn't a suicide attempt but the result of watching a cursed video, and the genius doctor sets about investigating. 

Takao's diagnosis seems to solve Enzo's Curse. However, due to a mysterious death by fire, the investigation is right back at square one.