Hmmm, I'll list you below songs that might remind you of it (like, cool, serious and a bit angsty):
Cry for you (Time album) Firefly (Time album) Gimmick Game (Nino's solo from Dream A Live album) Once again (Dream A Live album) Monster (Boku no miteiru fukkei album) Mada mini sekai e (Beautiful World album) Face Down (Popcorn album) Breathless (Love album) Calling (Love album) Endless Game (Love album) Daremo Shiranai (The Digitalian album) Sakura (Japonism album) The deep end (Japonism album) Kokoro no Sora (Japonism album) Aozora no Shita, Kimi no Tonari (Japonism album) Fly (Guts! single) How to fly (One Love single) It's good to be bad (Ai wo sakebe single) Wasurerarenai (Beautiful days single) Tokei Jikake no Umbrella (My girl single)
no subject
Cry for you (Time album)
Firefly (Time album)
Gimmick Game (Nino's solo from Dream A Live album)
Once again (Dream A Live album)
Monster (Boku no miteiru fukkei album)
Mada mini sekai e (Beautiful World album)
Face Down (Popcorn album)
Breathless (Love album)
Calling (Love album)
Endless Game (Love album)
Daremo Shiranai (The Digitalian album)
Sakura (Japonism album)
The deep end (Japonism album)
Kokoro no Sora (Japonism album)
Aozora no Shita, Kimi no Tonari (Japonism album)
Fly (Guts! single)
How to fly (One Love single)
It's good to be bad (Ai wo sakebe single)
Wasurerarenai (Beautiful days single)
Tokei Jikake no Umbrella (My girl single)
Oops, I might have gotten carried away XD