Help me please!!

I dunno what song is this.. anybody know what song is this?

http://www.youtube.com/watch?v=TQU785b5w70

\*0* I personally don't know the name but hopefully this person SiowKuntong369 had an idea with this artist Tong Hua . I re-read all the posts from the vid. and found this poster was the only one who gave a probable name. I hope this helps.=)

umm..but it's japanese song..how come it's related with Tong Hua?