Title : Forsaken Quartet, Immoral Quartet ~ NTR and the Feelings of Four~
Original Title : Immoral Quartet ～4人の性欲が絡み合う、愛と寝取られの物語～
Developer : AVANTGARDE
Language : English (Official)
Released date : 2024-05-18
https://store.steampowered.com/app/2377410/

The world has been ravaged by a horrible disease. You and three others are the only people left alive on the small island on which you reside.

You wake up on your favorite beach, your estranged childhood friend standing over you. The last thing you remember is collapsing from the illness that coursed through the world. How did you and your three companions survive? Is there anyone else left?

As you struggle to survive, you find many questions left unanswered... It's up to you to uncover the truth.


Spend time with the other survivors and get to know them better. Grow closer as you and your companions work together to uncover the mysteries in this story-driven visual novel.






A Romance-Mystery Visual Novel
Speak to the other survivors, grow closer, start a romance... and find out the truth.

Hand Drawn Art
The characters are brought to life in beautifully hand-drawn art.

Many Endings to Uncover
How well will your romance go? Will you uncover the mysteries and find true love with your beloved, or will your trust break down when the obstacles emerge?