The Little Bird Fallen Into Darkness

Synopsis

Ruri is moved to tears by reuniting with her brother after so long, and Kurosaki rejoices to see his sister safe. But suddenly, Ruri's demeanor changes and she challenges him to a duel...! Realizing from Edo's information that someone is controlling Ruri, Kurosaki sets out alone to save his sister with his own hands! But against the unfamiliar monsters Ruri summons, Kurosaki is forced into a hard fight...