King Cobra

Yi-Rim lives to beat Kang Si-Heon, the undisputed star of the race track. Known as "King Cobra" for his lethal precision on the road, Si-Heon seems completely untouchable. That is, until Yi-Rim catches a glimpse of his secret. Armed with shocking new information and a sudden, uncontrollable curiosity, Yi-Rim finds his rivalry taking a turn into uncharted territory...

(Source: Lezhin US)

Note: Includes two extra chapters.