Want to find the singer of a Japanese song

Good day Everyone!!! Please help me to find out a real singer for one song.
I found one video clip with song and I remember I heard this song in Japanese movie!
Here is the link:

Please need your ATTENTION to the chorus of this clip! (starting from 1:07 sec) It is a Kazakhstan video clip...

HELP! HELP! HELP!

Thanks in advance my Friends!!!!!!