Utsu Musume Sayuri, Aki no Puzzle Recommendations
Aki no Puzzle has A LOT of flashing lights and colours, so be warned. If you're high or drunk, you should absolutely watch these two back to back. Please watch your sanity levels if you're not one of those two. These are both creative masterpieces created by philosophers.
They know a thing or two about how to bring reactions you thought weren't possible. This is the "wtf" section of "anime".
Both are very time-efficient too.