From Visual Novel Database:
Developer and publisher: Rascal Devworks
Released on Steam in 25 January 2019.
Game consists of 3 CGs and 5 H-CGs. Double Trouble expansion adds an additional CG and H-CG (4 CGs and 6 H-CGs altogether).
Initial gameplay video with author narration and commentary on YouTube by Far2close - Visual Novel Playthroughs
Full gameplay playlist on YouTube by Far2close - Visual Novel Playthroughs
Full review of game:
Steam store page:
Nutaku game page (Contain NSFW content):