Daddy Long-legs

Name: Daddy Long-legs
Genre: Animation, Comedy, Drama, Romance
Released: 1990
Rating: 8.9
Cast: Mitsuko Horie, Hideyuki Tanaka, Satou Chie, Yuri Amano, Bin Shimada

It's an anime series based on the original novel of "Daddy Long Legs" written by Jean Webster. It takes you through the high school life of Judy Abbot and her mysterious benefactor called Jhon Smith.