∑－sigma－ - うらぎり

There isn't many infos about them in the internet in the different language than japanase. They're still active and hot, so anywaysy :
舞散る雪華
心彩る紅蓮 その記憶
──蘇れ。

綺麗な曲、突き刺さる音。
激しい曲、記憶に残る美しい旋律。

"Coexistence of popularity and maniac."
[from visunavi]
★OHP☆

Tracklist :
o1 - うらぎり
o2 - 僕の世界
o3 - 嫉妬
o4 - ｃｕｒｓｅ

「うらぎり」