Any update?
Viewing post in 1st Degree: Murder-Mystery BL/Yaoi VN [UPDATED DEMO] comments
The new developper (announced a year ago officially on the discord channel) is actually reworking the script. The new timeline seems to be 2024.
You can actually see the entire answer from the original developper on the discord channel in the topic named questions_about_1d. And the last year update in the annoucements topic.
So there is still hope.