Little Heart Box

 is a quest item.

Obtaining

 * Dropped by
 * Batofu
 * Boostache
 * Bulbig Brotha
 * Bworkette
 * Golden Scarabugly
 * Great Coralator
 * Kanniball Andchain
 * Kwakwa
 * Ronin Chafer
 * Royal Blue Jelly
 * Royal Coco Blop
 * Royal Indigo Blop
 * Royal Lemon Jelly
 * Royal Mint Jelly (monster)
 * Royal Morello Cherry Blop
 * Royal Strawberry Jelly (monster)
 * Shin Larva
 * Smiths' Chest
 * Wa Wabbit

Uses

 * Quest
 * Broken Heart