bandcamp : https://oioio.bandcamp.com/album/music-for-hikikomorispotify : https://open.spotify.com/album/0oOT82o8Vlr17u0WNadk0Fapple music : https://music.apple.com/jp/artist/oioio/1601607289
http://www.nicovideo.jp/watch/sm40995998
