Unique art style. And I liked the fun couch jumping thingy XD. I wish the deduction would require more from the player than just identifying which character slipped up. Something more like being able to inspect objects (murder evidence), interconnected stories, etc. Just a layer more of depth. Apart from that, adding the one time timed investigation was a good choice (as it forces me to ask quality questions). Maybe the time should be lower like ~2 minutes. Overall, very well done!
Cheers