Yuyushiki Doujinshi time.
If you’re expecting some explicit rate NC-17 yuri action, better search elsewhere. If you’re expecting fappable content, you’re lucky!
This doujinshi features mainly Chiho Aikawa, the class rep who’s in love with Yui.
For the plot, Aikawa is a huge titted exhibitionist who ends up dragging Yui into this fetish.
Good stuff if you’re into this kind of thing. Not as extreme as Jordi’s scenarios, still fappable, though.
Providing two options, original scale (51MB) and downsized (16MB).
The yuri action is not shown, it is implicit. Thought about adding the tag but, actually, there’s no yuri scene whatsoever so no tag provided.