Harmonia is a digital novel made by visual novel studio Key.
There are no story branches based on choices. The story proceeds as if you were watching an anime or movie, or turning the pages of a novel.
Enjoy a touching story with beautiful music and graphics, realistic and colorful performances, brought to life by talented voice actors.

Game features
・With support for full HD resolution of 1920x1080 dots, you can enjoy the moving story in high-definition visuals.

・The text can be set to English, Japanese, or Simplified Chinese (audio only available in Japanese). This includes in-game text, options, and the digital manual. Language settings can be changed at any time.

・Protagonist Rei, as well as twenty-six background characters, are all given voices for the first time.

・Touch gestures can also be used if you're playing on a tablet PC or a Steam Deck.