WaifuEmulator
by Grindxxx
From the letters page: WaifuEmulator: a sandbox game about parody, developed by Grindxxx. It runs on HTML and puts you in the role of a male protagonist. Status: still in development, version 0.4. Available for Windows, Mac and Linux; 153 MB.
From the box: “Browser based interactive porn sim in the style of those fake mobile ad porn games - but it's actually playable! Mercy only in v0.1; more waifus if there's interest.”
Screens
3 screenshots from the game's own gallery.
