This is just a written guide of the glitches done in the PC version, any missing days use Duck's guide. This heavily copies Duck's guide also and just puts new stuff in.

https://docs.google.com/document/d/1SqtS2v3tQF45gqde_mlCOCFWRNirpmBxnXDLgE9GmL8/edit?usp=sharing

This guide expects you know about the menu glitch, check here for full details: https://www.speedrun.com/shenmue1/forums/l4u6p