魔王様としゅんくん (Series) favorite_border

[DeepL Translation - needs review] Volume 1: A cute everyday manga about a demon king and a kindergartener☆ One day, the real demon king arrives to pick up Shun-kun from kindergarten!　Mao-chan, the Demon King, seems to have come here to conquer the world, but he seems to have a soft spot for Shun-kun...?

(Translator: DeepL)