White Liar 

Shiraishi Kei is a talented freelance beautician who's experienced more downs than ups when it comes to past relationships, and so has decided to swear off love. However, when the mysterious up-and-coming actor Taiga Jinnouchi enters his life, their casual one-night stand turns into much more. Unbeknownst to Kei, Taiga has been harboring a secret for years—something that changes the meaning behind "fooling around" as the line between lies and sincerity are blurred in this whirlwind showbiz love story! (Source: TOKYOPOP) Note: Includes one extra chapter.