I don't know what event you want to reactivate for joseph, but maybe you can find it with this. (i tried by searching "josef" but i don't think the things i found are what you want)
NixieSS
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"Save.json" is your save file, make a copy of it before trying to edit it.
You can open it with notepad (windows default) or notepad++ (i'm using Visual studio code in the screenshot).
When you open your save file "ctrl+f" to search (try a name or a keyword that relate to what your trying to change).
You should find a line of code like my first screenshot (if it exist), and from here you can find the "rid" before the text.
"ctrl+f" again to search the rid number (example: in my second screenshot i searched "2510" )
You should find another line of code like in my second screenshot with "true" or "false" at the end.
Change it by true or false as you wish, it should have an impact in game when you load your save.
here's what i know:
-Charlotte Sidequest trigger in the hallway
-Himari Questline trigger at the entrance (this unlock the elevator)
-Badlands Questline: talk to anna in the kitchen about a magazine/ go to the mall and celeste will talk to you (don't know wich is first). go to starcon and talk to celeste, go to celeste in the badland, talk to anna in the kitchen again (talk about the magazine), on a new day go work in the basement, follow the quest "going live(anna)"
-New scenes for Samantha: go play video games lan at her house friday
this guide is really helpfull if you need other info https://docs.google.com/document/d/1LkXWll0_8kVL23hHWWySoRwKL_4dyluPHeLQsnhvwuE/...
I personally never gave money to adrian for his trip to japan (even the variable for this in my save is on false) and i can go to japan just fine. I did told him to stay and chose the sharing route with anna, so if setting [rid 2013] "adrian-will-stay-start" on true didn't work you can check my first post on this topic about [rid 2265] "anna-will-seduce-adrian" just to be sure it also on true
if you really can't and don't want to make a new game, you can edit your save to make anna seduce adrian. the rid of this event is 2265, you simply replace "false" by "true" at this line
if you try this: you should have 2 line where rid 2265 appear unless you have more than one save (ctrl+f and write 2265) [you can open the save with notepad/i use VScode in screenshoot but they do the same thing] (all saves are stored in the same file in order, the first time one line appear it's save1 if the exact same line appear later it's save2)
Since i did the shrine event in the japan trip (chose the money option from the shrine maiden) I can't buy anything anymore (can't travel/buy groceries). if it's not that maybe it's because i have to much money [2.263.059.292,4](don't know if there is a limit) but making more money doesn't change the fact that i can't buy anything and i can't loose it since i can't spend it