It provides a deeper look into Touka's impulsive nature and Mado's cruelty, as well as the emotional toll on the ghouls.
The episode highlights the traumatic aftermath of Ryoko's death, with Hinami and her mother being hunted by the CCG. Tokyo Ghoul Episode 7
The episode highlights that both humans (CCG) and ghouls operate in a cycle of killing, showing there are few "good" people, but rather, characters driven by personal vengeance or duty. It provides a deeper look into Touka's impulsive