Others who have had this issue, said that knocking on Michelle's door and speaking with her seems to work, it so that to find out if she can help get the records you need and when she tells she can't I believe that's when you get the plan to try and get rid of Yuki.Ok from my last save, I can go to the dungeon at 20:00. However, I don't have the option to "Ask about Yuki/Receptionist" the next day. What am I missing?
If it still doesn't work, try my 0.36 save from the link in my signature.