The whole thing feels like someone's first Flash project from 2006, and I mean that as... something. Not quite a compliment. Not quite an insult. The Haruhi parody angle is there, she's in the school uniform in what's supposed to be a lab I guess, though it looks more like someone's basement with a beaker added in MS Paint. UrielManX7 made this, and you can tell.

Clicking the fold in her skirt. That's the mechanic. Just click the fold. Over and over. There's something almost meditative about it, like one of those fidget apps but the end goal is getting her naked. Options appear as you go, little icons that pop up, and eventually a dick icon shows up which lets you fuck her. The meter fills, and then you can change speed and clothing. That