Erm, I loaded my save on PC version to Shoichi Day 14 on rooftop scene with Haruki......
And Haruki doesn't have is clothes on...... Sometimes clothes flicker on, but it is usually off.....
If one were to play from or scroll to the 1st 2 lines of Haruki on rooftop, bug doesn't happen/is resolved.
https://screenrec.com/share/wak0H7Q3GN