Saihate Station - Twilight Railway

"But what exactly is true happiness?" The two had sworn to escape from everything and spend eternity in paradise. However, after a long, long time had passed, the train suddenly began to move once again... This is an exploration horror adventure with a new map and scenario - the additional content for Saihate Station. You control Tatsunami Shion. As you travel by train through a ruined station bathed in the sunset, you unravel the past and go in search for true happiness. [From Steam]