Ep. 16: Celty investigates a demonic blade while Anri confronts her true identity as Saika's wielder.
Aired on April 30, 2010

Celty confiscates a knife dropped by Niekawa and shows it to Shinra, who identifies it as the potentially demonic blade Saika, though it proves false. Shinra explains Saika disappeared five years ago but is now possessing people to slash in the name of love. Haruna visits Anri, obsessed with Nasujima, and attacks her with glowing red eyes. Celty seeks Shizuo, fearing Izaya is a target, while Anri is assaulted by possessed individuals. Shizuo, surrounded by infatuated crowds, accepts his strength and fights back. Haruna corners Nasujima, but when she attacks Anri, the blade fails to harm her. Anri reveals she is the true wielder of Saika, ending Haruna's assault.
Episodes
- Ep. 12 · Celty confronts Shinra about the head while Mika reveals her true identity and Izaya claims possession of the head.
- Ep. 13 · Six Months Later, A Mysterious Slasher Emerges in Ikebukuro While Celty Evades Police Pursuit
- Ep. 14 · Shigen reveals his role in Celty's head theft while Celty investigates the slasher rumors.
- Ep. 15 · Reporter Shuji Niekawa investigates Ikebukuro's strongest while facing a slasher spirit
- Ep. 16 · Celty investigates a demonic blade while Anri confronts her true identity as Saika's wielder.
- Ep. 17 · Shizuo attacks possessed crowd while Anri reveals Saika's dark history to Haruna
- Ep. 18 · Masaomi’s Past with Saki and His Return to the Yellow Scarves
- Ep. 19 · Anri hides from Yellow Scarves while Celty rescues her and Masaomi reflects on his leadership motives.
- Ep. 20 · Masaomi investigates the Dollars and learns Mikado is their leader while Yellow Scarves face internal conflict.