Ameku M.D.: Doctor Detective Season 1 Episode 3 Into the Spell of Shimmering Light

"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.