The Many Secrets of Sifu 

Sifu has many little details that might have been missed if you're too focused on the combat. In this video, I've compiled some of the most interesting details I've found throughout my playthrough.
Songs used:
Hikari - Punishing: Gray Raven OST - • 【GhostFinal】HIKARI 「Pu...
Familiar Fonts - Nycto, Isaak Wolf - • you put your pen down ...
Dossoles Holiday BGM 1 - Arknights OST • [Arknights] Dossoles H...
Crash the Dancefloor - Sifu OST - • Sifu - 11. Crash the D...
Underneath the Spires - Arknights OST - • アークナイツ BGM - Zwillings...
Normal 2 - Arknights OST - • [Arknights OST] normal02
Rapid as Wildfires - Genshin Impact OST - • Rapid as Wildfires