Flower Boys Next Door (16 Episodes)

Park Shin Hye as Go Dok Mi
Yoon Shi Yoon as Enrique Geum
Kim Ji Hoon as Oh Jin Rak

King of Dramas (18 Episodes)

Kim Myung Min as Anthony Kim

Jung Ryeo Won as Lee Go Eun

Choi Siwon as Kang Hyun Min

Sword Art Online (25 Episodes)

http://www.crunchyroll.com/sword-art-online
In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars with their bodies using a piece of technology called: Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them captive unless they reach the 100th floor of the game's tower and defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now... 

Haeundae Lovers (16 Episodes)

Kim Kang Woo as Lee Tae Sung
Jo Yeo Jeong as Go So Ra
Jung Suk Won as Choi Joon Hyuk
Nam Gyu Ri as Lee Se Na