【佐櫻】koko 第三曲〈番外〉
The birthday loses the cake custom, had not thought that is so amusing, this thanks invent this custom really human, right? Although final scene sores all over the eye, cake heroical sacrifice. ──Sakura 生日的丟蛋糕習俗，沒想到是如此地好玩，真該感謝發明這習俗的人，對嗎...
