HELP! What's the title of this song?????!!!!?

Question

HELP! What is the name of this song??!!?
I heard this song randomly when surfing the net. The lyric goes like:
"How did I fall in love with you, what can I do to make you smile..."
I think it's a Japanese song. Does anyone know the song title and who sang it?? PLEASE HELP!
Thanx

Answer 1

I think it is: YURI CHIKA