Reader-added comments include "Concealed on instinct", "Deja vu", and "A (Karakasa) youkai" (using different kanji, so "Karakasa" is a place name rather than "paper umbrella").
Tempted to add the "truth" tag, because I myself have had the problem of being not able to find what I want because I myself put it in the wrong place and forgot about it. In fact, my entire family had this problem...
What the hey!?
Not in Memory
The next morning, at the hotel...The gelatin I bought for a snack is gone!!I must have put it down somewhere!