生命性シンドロウム (Seimeisei Syndrome) / かめりあ (Camellia) feat. 初音ミク

Seimeisei Syndrome (生命性シンドロウム) is a commissioned song by Camellia. It was written for Project SEKAI's 4th Anniversary with the intention of being an extremely difficult song. It is the eleventh and final song that was ad…