いたいあたしあしたあいたい (Itai Atashi Ashita Aitai)

Background
Itai Atashi Ashita Aitai is a song by Chikuwa-P known for it's unique fourth wall breaking. The title is meant to be a palindrome. There are multiple hidden messages throughout the song, by reversing or only listening through one speaker.

It follows the event of the song "Wakako to Ruriko no Tsumiki Kuzushi". After killing her mother, Wakako begins to get all the more murderous. She blames her father for the murder and begins to justify murdering him, but confesses to her mother in secret that she merely wants to hurt him like she hurt her.

After killing him she begins to truly hear the voice of her mother and while blaming her parents for her misery she realizes that as their child she was bound to become murderous, she then decides to make herself her last victim, ending the killings.