Another of my favourite models to fold that I don't see often enough.

Satoshi Kamiya's Splash!
I think Kamiya should make more of these models that can be done in a 15x15

It is not hard to find tutorials online:
https://www.youtube.com/watch?v=AP7oHzL1e-o
https://origamivnnhatpro.blogspot.com/2019/07/splash-swan-satoshi-kamiya.html?m=1