Infinitize (stylized as INFINITIZE) is the third EP from the South Korean boyband Infinite. It was released on May 15, 2012. The title song "The Chaser" was used to promote the album. The track "Only Tears" was released in May 8, one week before the EP release as a prologue single. During June 29 until July 1, the group performed the song "In the Summer".

A music trailer of the group was uploaded into YouTube by Woollim Entertainment on March 12, announcing that the group will make a comeback in South Korea soon. After a successful debut in Japan with the singles BTD (Before the Dawn) and Be Mine, the group's agency, Woollim Entertainment, announced their comeback in South Korea with a new mini-album. On the same day, a teaser logo of the EP was revealed on the group's website. In May 2, their website was updated with the official comeback date, May 15, 2012. On May 5, it was revealed that the group will release a prologue song on May 8, one week before the EP release on their 700th day of debut. The prologue song is titled "Only Tears" (Korean: 눈물만). The song was first played at Infinite's Second concert "Second Invasion – Evolution", in a solo act by member Sunggyu. On the same day the song was released, an album jacket teaser photo was unveiled on the group's website. On May 14, the track list of the full EP was revealed in the form of a video with short previews of each song accompanying the song titles.

Infinite teamed up with Sweetune to produce the EP. The songs "The Chaser", "In the Summer", "Only Tears" and "I Like You" were written by Song Sooyoon, who also wrote "Be Mine" and "Paradise", which were released on the group's first studio album Over the Top. The intro song, "Infinitize", was written by J.Yoon. The songs "Feel So Bad" and "With..." were written by Kim Ina.

A teaser video of the song "The Chaser" was released in May 11, on Woollim Entertainment's YouTube account. The music video premiered exclusively at Infinite's Showcase: The Mission, in May 15. After the showcase in Seoul, the music video was available on Woolim Entertainment's YouTube account, on their official website and on LOEN Entertainment's YouTube account.

...
Wikipedia