The name is self-explanatory: it's an osu! skin centred around the independent VTuber Yuuki Sakuna! (Go subscribe already!)
Anyway I won't bore you with more details... go see for yourself!
> Screenshots
> Download
You're still here? Well...
Credits
Our idol
Yuuki Sakuna (https://www.youtube.com/@結城さくな)
Skins
WhiteCat v1.0 by cyperdark (base, sounds, CK gameplay)
YUGEN REMASTERED by Garin (parts of NM and SL gameplay)
Rafis by DDK RPK (DT gameplay)
osu! argon (mod icon base)
Art
https://x.com/confidential_y/status/1853346448349573271 (spinner art)
https://x.com/riko0202/status/1857747946521113033 (result screen art)
https://x.com/pirocity/status/1856658948837921072 (result screen bottom art)
https://x.com/atoriart/status/1859945339631157699 (menu art)