If you're looking for manga similar to Wakakusa no Charlotte, you might like these titles.
Anne, an imaginative young red-haired girl, is accidentally adopted from an orphanage by a pair of aging siblings who originally wanted a boy to help them work their farm. The happy accident changes everyone's lives for the better.
Miss Marilla Cuthbert and Mr. Matthew Cuthbert, middle-aged siblings who live together at Green Gables, a farm in Avonlea, on Prince Edward Island, decide to adopt an orphan boy from the asylum as a helper on their farm. Through a series of mishaps, what ends up under their roof is a precocious girl of eleven named Anne Shirley. Anne is bright and quick, eager to please but dissatisfied with her name, her pale countenance dotted with freckles, and with her long braids of red hair. Being a child of imagination, however, Anne takes much joy in life, and adapts quickly, thriving in the environment of Prince Edward Island.
Siblings Marilla and Matthew Cuthbert were planning to adopt an orphaned boy to help out around their farm, Green Gables - instead, they got Anne Shirley. A plucky redheaded girl with a vibrant imagination, Anne turns first Green Gables and then the rest of Prince Edward Island on its ear.
Follows Anne from the age of 16 to 18, during the two years that she teaches at Avonlea school. Anne discovers the delights and troubles of being a teacher, takes part in the raising of the twins Davy and Dora and organizes the A.V.I.S. (Avonlea Village Improvement Society), which tries to bring improvements to Avonlea with questionable results.
Anne leaves Green Gables and her work as a teacher in Avonlea to continue her education at Redmond College in Nova Scotia. She tucks her memories of rural Avonlea away and discovers life on her own terms, filled with surprises… including a marriage proposal from the worst fellow imaginable, the sale of her very first story, and a tragedy that teaches her a painful lesson.
The events in the life of a young girl in her grandfather's care, in the Swiss Alps. Based on the famous children's book chronicling the adventures of the carefree girl Heidi in the Swiss Alps and her friendship with a sickly city girl.