Day 4 - The song that takes away your sadness
What can ever beat The Joy Song a.k.a Yorokobi no Uta? With the 'aishiteru, aishiteru" part, no once can ever be gloomy forever. Such a happy, joyful and catchy song, this song can really make people smile. Thank you KAT-TUN, for your existence and for singing that song. =) U can listen to the song
here, with cute animation it is.