Durarara!! Episode: 9

A series of flashbacks shows that Namie Yagiri has a deep, obsessive love for her brother, Seiji . When Seiji became obsessed with a beautiful head in a jar found in their uncle's study, Namie moved it to Yagiri Pharmaceuticals to keep him away from it.

It is revealed that Mika Harima , who had been stalking Seiji, discovered the head in his apartment. In a fit of rage and obsession, Seiji killed her. Namie later had the head (supposedly) surgically attached to Mika’s body. Durarara!! Episode 9

Amidst the chaos, the girl escapes and runs into Mikado Ryuugamine , who hides her in his apartment to protect her from Celty. Notable Adaptations & Differences A series of flashbacks shows that Namie Yagiri