Overview
About this game
All for the sake of revenge.
Immoral Sirene - The Abyss You Don't Know
It is an adult horror adventure game in the form of a novel.
Do not step into this story with pure love in your heart.
When you pursue her secret, which you must never touch, you will be plunged into a dark abyss...
*Game Outline
This is for those of you who have been dragging your lost love around forever,
This is a visual novel game about love, revenge, dependence, and sin.
This is a cruel story that reveals your sins.
*Performances
CV]
Nadeshiko Shirou: Asaki Shiki
Sirene: Maruru
Theme Song
Asaki Shiki “Follow me to the bottom of the abyss
Translated with (free version)
