"TTL (Time to Love)" is the first collaboration single released by South Korean groups T-ara and Supernova.

[5] "TTL Listen 2" also charted on the top popular music videos, 30 minutes after release with over 50,000 views.

The event was sponsored by local restaurant chain Gusto as part of promoting their new Korean menu.

[8] The 2 groups held the second "Time To Love Concert" in Japan on October 19, 2012 at the Tokyo International Forum.

[9] In October 2009, the song was chosen as the theme for the commercial film promoting Gusto; one of the largest restaurant chains in Japan with 1,000 stores nationwide.

A press conference was held to commemorate the launch of the campaign with about 140 Japanese media officials, including TBS TV, participating in the contract-signing ceremony.

[14] In 2017, It was covered by Vietnamese singers Liz Kim Cuong and Ivone on TV HUB's Liveshow 4.