Gift: eternal rainbow is a tV series anime that premiered in fall 2006, produced by OLM.

About the production: the story comes from a visual novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are comedy, drama and romance, with themes such as Love Triangle, School, Heterosexual and Witch.

On AniList, Gift: eternal rainbow has an average score of 61%, an average score, and appears on 5,451 users' lists.

Amaumi Haruhiko is a high school student who attends Shimano Academy in a town called Narasakicho. Narasakicho contains an unknown rainbow which constantly overlooks the town and is related to granting a magical wish called "Gift". Gift is a once-in-a-lifetime present between two people. As a child, Haruhiko has been close with his childhood friend, Kirino, until he obtains a new non-blood sister by the name of Riko. Haruhiko develops a strong relationship with Riko until they sadly depart due to the fact Haruhiko's father could no longer support the two of them. After some times passes by, Riko finally returns to the town of Narasakicho, and along with Kirino, starts to attend Shimano Academy with Haruhiko. The series revolves around the relationship among these main protagonists and slowly reveals the story behind both Gift and the rainbow.

Official synopsis from AniList.