SEKAI NO OWARI has released a collaboration music video for their latest song "Stella," featuring scenes from the upcoming anime 'A Witch's Life in Mongol.'

"Stella" serves as the anime's opening theme and was released digitally on July 4 ahead of its CD release on July 8. The anime premiered on July 4.

The video combines memorable scenes from the anime with the song's lyrics, highlighting the series' world and storyline.