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Gift ~eternal rainbow~
故事发生在一个名为楢崎町的小镇上，这是一个拥有着神秘魔法力量的神奇小镇，在小镇的天空中，永远都挂着一道绚丽的彩虹，而在传说中，神明会实现居住在这个小镇里的人们每人一个愿望。 天海春彦（泰勇气 配音）是从小到大都生活自镇上的青年，一天，班上来了一个名为深峰莉子（清水爱 配音）的转校生，让春彦没有想到的是，这个女孩竟然是自己的义妹，他们在年龄很小的时候分开了，想不到命运的红线令两人于此时此刻重逢。莉子的出现让春彦的青梅竹马木之坂雾乃（宫崎羽衣 配音）感到了强烈的危机感，她一直默默的喜欢着春彦。
Haruhiko's childhood friend Kirino had been eagerly awaiting the day that they'd once again be able to attend school together, but a misuse of Gift's mysterious power threatens to ruin the entrance ceremony.
Riko, Haruhiko's younger sister, returns home after several years. Things start to return to the way they once were, but what of Kirino's feelings?
Haruhiko is getting jealous that other guys are looking Riko's way, but why should he have these feelings if he's only her brother? Does Riko even see him that way?
On a hot summer day, Maki and the others invite Haruhiko and Riko to the beach. While there, he devises plans to get Haruhiko and Riko back on better terms.
Nami won't leave Rinka alone, so Rinka and Haruhiko pretend to be a couple in the hopes that she'll back off. Nami sees through their ruse and unleashes the terrible side of Gift's power.
Kirino is having misgivings about Haruhiko and Riko finally making up. As an unintended consequence of a witch's fake Gift, Haruhiko begins to see Riko as his late mother.
Haruhiko finds the witch responsible for the fake Gifts and discovers that she is, in fact, Chisa. In order to see Riko as herself again, Haruhiko is prepared to sacrifice some very important memories... and even the rainbow itself.
While on a school trip in Kyoto with Riko and the others in his class, Haruhiko finds himself unable to buy the love charm Kirino had requested, because his feelings lie elsewhere.
Upon returning from the trip, Haruhiko admits to Kirino that he can't return her feelings. She later accuses Riko of breaking an important childhood promise.
With Riko begging for forgiveness, an emotionally-broken Kirino has Riko give up her past with Haruhiko so she can stay with him from now on. Haruhiko is then forced to come to terms with his own severed past with Kirino.
Haruhiko struggles to come to terms with Gift's true power and how he can protect the one he loves, which leads him back to the very first Gift: a parting farewell from his dying mother.
With Riko's memories restored, Haruhiko sets about repairing his broken friendship with Kirino. Though Gift's power is gone, and the Eternal Rainbow along with it, Haruhiko and Riko vow to see the rainbow together again.
