Happy Lunar New Year!
To celebrate, the game and all its DLC are on sale!
https://store.steampowered.com/app/1632380/Helga_Euphoriums_Song__Lewd_Slime/
https://store.steampowered.com/app/1526240/Helga_Euphoriums_Song__Digital_Artbook/
We also have a Special Edition version which has all of these for best value price!
https://store.steampowered.com/bundle/21022/Helga__Euphorium_Song_Slime_Combo/