A little, kind song about how beautiful the summor can be. The title is a reference to this, “gem given by summer”.
Furil is a group formed by the voice actresses of the three later four heroine of the series, 氷上 恭子 [ Kyōko Hikami ], 宮村 優子 [ Yuuko Miyamura ], 野上 ゆかな [ Yukana Nogami ], and 今井 由香 [ Yuka Imai ].
MAG.MOE - The MAG, The MOE.