Website and data research by 101Leafy.
Handkerchief
ハンカチ · Key item
A favorite handkerchief
Versions: Aka no Sho, Kuro no Sho
No shop sells it, no chest holds it, no enemy drops it, and 101Leafy has not found a story event that gives it.
Shin Megami Tensei Wiki by 101LeafyAll Demons Index