Hare Hare Yukai (ハレ晴レユカイ) (Sunny, Sunny Happiness) is the ending theme to the first season of The Melancholy of Haruhi Suzumiya. The song is performed in Japanese by Aya Hirano, Minori Chihara and Yūko Gotō, the respective voices of the Haruhi Suzumiya, Yuki Nagato and Mikuru Asahina from the series. Also in each character song single, the voice actors sing their character's own version of Hare Hare Yukai, with lyric changes and sometimes rhythm and instrument changes.