The following are known Atmosphere / EdiZon / SXOS Cheat Codes for Arietta of Spirits on Nintendo Switch (Switch).

Title ID: 0100E95015392000
Build ID: 2097ca98c3c50875

[Hearts 10/10]
80000300
580F0000 028096C8
580F1000 00000098
580F1000 00000090
580F1000 00000020
780F0000 00000014
640F0000 00000000 40240000
780F0000 00000010
640F0000 00000000 40240000
20000000

[Shield 12/12]
80000180
580F0000 028096C8
580F1000 00000098
580F1000 00000090
580F1000 00000020
780F1000 0000003C
640F0000 00000000 4082C000
780F0000 00000010
640F0000 00000000 4082C000
20000000