Yume 2kki talk:Urotsuki's Dream Apartments/@comment-44490674-20201005022810/@comment-46640146-20201005034733

If you still don't know why the portrait collection is 'missing', the Portrait Collection only appears if Variable 44 is greater/equal to 140, which you can learn more about right here https://yume2kki.fandom.com/wiki/Events#Variable_44_events