Use this artist in your widgets
JSON (widget format)
https://shoutcastwidgets.com/ArtistLibrary/library/?artist=YAMADA-KUN-TO-7-NIN-NO-MAJO
JSON v2 (photo sizes)
https://shoutcastwidgets.com/ArtistLibrary/v2/api/?artist=YAMADA-KUN-TO-7-NIN-NO-MAJO
API documentation →
