接唱挑战，但是彩虹en全6曲
Description
按顺序： LazuLight—Diamond City Lights Noctyx - Stuck In The Abyss Ethyria - God sees all OBSYDIA - Black Out LuxiemーJazz on the Clock!! LuxiemーHope in the dark 蒽，挺好玩
按顺序： LazuLight—Diamond City Lights Noctyx - Stuck In The Abyss Ethyria - God sees all OBSYDIA - Black Out LuxiemーJazz on the Clock!! LuxiemーHope in the dark 蒽，挺好玩