The welfare CE is one of the best CEs in the game, and the "dig site" minigame is a pseudo-lotto. I'm iffy on the story so far but it's absolutely worth doing just for the rewards. Hard to turn down more Crystallized Lores.
Also what is this CE called?
"undertale hangs out with mido" - ZFS
Smash Ultimate Switch Code: SW-6933-1523-8505