Russian name: Сладкая фантазия
From Visual Novel Database:
Publishers: Project Gardares and 7DOTS
Released on 3 April 2017.
Steam trading cards consist of 6 artwork, each with a different full CG in the game or a set of character sprites on a background scene.
Steam profile backgrounds consist of 4 artwork, each consisting of a character sprite on both sides, or part of a CG on a black background.
Game contains 21 CGs altogether. A few CGs will change slightly with adult unlock code.
Playthrough of game with author narration and commentary on YouTube by TheRPGMinx
Full review of game:
Steam store page: