Okashi na Elf to Joshikousei  

Elf, And A High School Girl, おかしなエルフと女子高生, Sweets, Elf, And A High School Girl

Alice is an elf who operates a sweet shop within the forest. She inherited financial obligations from her ancestors. While gathering fruits for her recipes, she accidentally tumbled into the Fountain of Desires. Miraculously, she was teleported to contemporary Japan.