GINZATOUSHI TO KURO NO YOUSEI: SUGAR APPLE FAIRY TALE

In Highland, a country where fairies are slaves of the humans, Ann Halford, a countryside girl, decides to purchase her first one after watching how the fairy was mistreated by his seller. Note: Volume 1 includes the side story "Ashita kara ne" (明日からね). — Description from AniList community (anilist.co).