Proposal Daisakusen

Title (romaji): Proposal Daisakusen
Tagline: Operation Love
Genre: Romance
Broadcast network: Fuji TV
Episodes: 11
Viewership ratings: 17.3 (Kanto), 17.2 (Kansai)
Broadcast period: 2007-Apr-16 to 2007-Jun-25
Air time: Monday 21:00
Theme song: Ashita Hareru Kana by Kuwata Keisuke 
Insert song: Chiisana Koi no Uta by Mongol 800 (ep2, 8)

Synopsis

Iwase Ken and Yoshida Rei have been friends since elementary school. Ken, is obstinate and unskilled in love, but he fell long ago for the lively and cheerful, Rei. But Rei is about to get married to another man. While Ken and other friends from high-school attend the wedding ceremony, a fairy appears and sends Ken back in time, giving him a second chance to win the girl he loves.