Play it here: https://h-flash.com/delthea-interactive-hentai-3-eng/ H-Game about witch Delthea femdoming the player. bad endings first (Not freeing yourself, casting "Hyper" on Delthea then casting "rest" but not restraining her.) then the free play mode after.
No idea if the translation was done by the creator or some other party but it's wonky (For instance "Linerlock" is supposed to be "Ragnarok" in the ending where Delthea magics you.)
Instructions from annon comment on H-Flash: anonymous87511 +26 +35 -9 »anonymous92895 Scroll wheel to zoom out, press C and V to rotate Heart, Sword, X, Spade, Bone, Moon, Triangle. Don't click the square, click the pink rope binding. After that, click her head, then choose the box on the top left. Once the text appears, click the X, then click her wrists. Right click clothing to remove. Click shoulders on both sides, and the males' to vary the pose. Click a droplet on her thigh to toggle sweat. Edges of eyes for tears, inner eye for demon. After a few creampies, the eyes can be clicked again for hearts, and a succubus tattoo. A - Auto mode... Z/X - Zoom... C/V - Rotate... 1 - toggle internal view Sometimes the TAB or key controls won't work, click out of the game, then click back in.
What it doesn't mention is you can "roll" up her shirt/dress. This was played with Ruffle.