Kimagure Orange Road

Teenage romance meets fantasy in this series as a love triangle develops between the main character, an indecisive esper named Kyōsuke Kasuga, Madoka Ayukawa, a mercurial and enigmatic girl with a tough past, and Hikaru Hiyama, Madoka's ditzy and energetic best friend. Kyōsuke falls in love with Madoka, and Madoka wants to return those feelings, but can not because of Hikaru's involvement with Kyōsuke. (Wikipedia)