Seedsow Lullaby, known as Tanetsumi no Uta in Japan, will launch for PC via Steam, DMM Games, and DLsite this winter, publisher ANIPLEX.EXE and developer iMel announced. It will support Japanese audio, and English, Japanese, and Simplified Chinese subtitles.
Here is an overview of the game, via its Steam page:
Watch the opening movie below. View a new set of screenshots at the gallery.