There's a lot I would do differently in that project, but I thought it was actually really strong.
There are loads about, and its something I always enjoy having a look at. The interesting design solutions in all these places are fascinating, really emphasises how different people prioritise.
There's a few tiny house/ micro apartment projects over the last few years.
A good place to start would be to search Dezeen.
Here are a couple that I remember coming across:
https://studiomama.com/13m2-house-2016
https://www.dezeen.com/2021/03/26/unemori-architects-house-tokyo-tiny-plot/