Guys,
I came across this series and have been watching (without subs too :p ) until I ran out of episodes :P
It is Love to the extreme..
Briefly, its about a bad boy who likes bike racing but not going to school/working...and needs some mental maturity :confused: The female lead is hardworking/wise/realistic and can fight a little. No evil characters, the story just builds on these characters.
Though the story is not very new, I thought its refreshing to watch (may be coz I didn't watch Thai anytime ;) )
Viki is still subbing but u can find on youtube without subs too!
http://www.viki.com/tv/21328c-love-to-the-extreme
Hope that adds one more (-: