Game: https://kazuki-t126.itch.io/ones-desolation-demo

In the esteemed estate of the Cichy mansion, there seems to be a void within the household. However, one day Adele Cichy tells her daughter Liridona she has set up an arranged marriage with a prince named Nathaniel. Everything seems to be going well between the two of them until Liridona hears something she shouldn't have from the prince. So, can she escape from Nathaniel's grasp or will she succumb to his persistence?

This game was made in RPG Maker MV. It is a horror adventure game with scenarios where your choices can lead to Liridona's escape or demise. This demo is roughly an hour long.