Quote Originally Posted by animus
Now that I think about it, this OP song kinda reminds me of Ash like Snow (Gundam 00 First Season's OP 2).
It's not surprising since it's the same person singing both song.

The lead singer for the brilliant green (the band that did Ash for Snow) is Tomoko Kawase.

Tomoko Kawase release her singles under the name Tommyheavenly6.