MeruPuri is a shojo Beat Manga series by Matsuri Hino
Airi Hoshina a 15 year-old girl who one day drops a mirror that has been passed down through generations of her family. when she finds the mirror, she also finds that a little boy called aram has emerged from the mirror in the short time that it took her to find it.
Aram a 7 year-old prince of Astale, who at the begining of the story is forced to flee from his half brother Jeile. In order to escape Aram had to travel trough a portal that connected to earth, the portal happened to be the seven sided mirror that is in Airi's possesion.