The Song-Letter Game

Lion Heart - Girls’ Generation 

One more time - Super Junior

Only One - BoA

Asu e no Tobira - I WiSH(Ai Kawashima)   (ReLife OST)

Trouble Child - Superbee, Uneducated Kid

The song name was "Asu e no Tobira" and artist "I Wish". Since it's been happening only to my comments, I guess I will just accept that it's my fault.
Anyway

Tsukiakari By Rie Fu

Sabbia (original italian title of the song). Translated in english is "sand" by the singer Ultimo