ALPS STORIES: MY ANNETTE

Annette was born into a poor family in Switzerland. She is a sweet girl and takes good care of her little brother Dannie. Lucien is her best friend. One day, Lucien angrily slaps Dannie's Ermine, which develops into a limp. The happy days turn into a long period of suffering, but little by little Annette and Lucien regain their lost friendship. — Description from AniList community (anilist.co).