■Work content "What I met in the submerged ruins was a machine with a rich tone..." ■Overview This is an adventure game with multiple endings, where the story branches depending on your choices. The story progresses from the perspective of the main character, who travels through beautiful underwater ruins painted in a watercolor style. In addition, this work is structured around the pillar of "worldview first". ■Sales points 《Submerged Ruins × Piano × Android》 Based on the world view first principle, we provide a profound "post-apocalyptic" world that can only be found in adventure games. 《Challenging visual art》 A fusion of watercolor art background and contemporary character art. Delivered with challenging visuals. 《Unprecedented “piano” only BGM》 The BGM of this work consists entirely of piano. Please enjoy the beautiful world of piano with its various faces. ■Story Half a century has passed since wars broke out over land due to rising sea levels. Two shadows walk through the submerged ruins, moving from house to house in order to survive. In the middle of it, they arrive at the concert facility and open the door to the main hall. There was a woman with long chestnut hair, her fingers dancing on her keyboard. A trio of submerged ruins with rich tones and stories. Here 《Start》 ■Character 《Innocent Realist》 ●Sachi “Nana-chan, it’s Nana-chan!” Along with the main character A girl traveling through submerged ruins. Her double teeth are very charming. Although energetic, the harsh reality she accepts. What she likes is cute things. What she hates are dark places and ghosts. The barcode on her shoulder and her bracelet are traumatizing. 《Mechanical Sleeping Beauty》 ●Nana "My name is Nana, the piano droid." I woke up in a concert hall, High performance android. She is commonly known as "Piano Droid". Because she was in a sleep state for a long time, She is ignorant of the harsh "reality" of being submerged in water. Her playing ability is more than human, She also had a past where she was envied. ? Sometimes she feels like the universe. ■Staff ?General director/scenario writer/script Duhe ?Music (piano music) Piano BGM ?Theme song “Android of the Submerged Ruins” Locarts P ?Background art 　At once ?Illustration/character design Kagetsu ·Sound effect Demon King Soul Sound effect lab