ｈａｌｃｙｏｎ

halcyon adjective denoting a period of time in the past that was idyllically happy and peaceful. info: song: footage: 5 cm per second, angel beats , bakemonogatari, bokura wa minna kawaisou, children who chase lost voices, clannad, cross roads, ef a latter tale, fullmetal alchemist: brotherhood, free es, hotarubi no mori e, kon, k project, kamigami no asobi, karneval, kyoukai no kanata, mekakucity actors, nagi no asakura, nerawareta gauk