LU4US

LU:KUS officially debuted on July 4, 2014, with the digital single "So Into U" under PAN Entertainment. Seven months later, on January 13, 2015, they made their first comeback with their second digital single "Break Ya". Following their comeback, the group spent the rest of the quarter promoting in Japan, where they performed a new track titled "Beautiful".

The track was eventually released on September 10 as their third digital single, "It's Beautiful", without any official domestic promotions. Two months later, on November 10, the group returned to Korea and re-released the single as "It's Beautiful (Short ver. )".

This time, their company properly announced the release as the group's official comeback and runned domestic promotions. On December 21, it was announced that the group would formally expand their activities by focusing future promotions on the Japanese market. On February 17, 2016, LU:KUS released their first Japanese single, "Break Ya".

The group actively promoted in Japan for the next two months. On April 26, 2016, media outlets reported that LU:KUS had disbanded following the termination of the members' contracts with PAN Entertainment due to military service issues. However, the following day, it was clarified that the group had not disbanded and would instead continue activities in Japan, supported by their Japanese label, HY Entertainment.

On April 30, 2016, HY Entertainment announced that the group would undergo a name change and begin activities as L. A. U, a name chosen by the five members.

The group then focused exclusively on Japan, promoting their previous single and new material under the new name. In July 2016, Korean news outlets officially reported the group's rebranding to L. A.

U and announced that the group had signed with a new Korean label, Lumiwell Korea. During this period, sneak peeks of a new song began appearing on L. A.

U's official Japanese social media accounts, and the group started performing it live at events. In August, the song was officially revealed as "She's Got Me", with a release date set for October 12 as L. A.

U's official Japanese debut single. On September 16, 2016, it was announced that member Haewon would enlist for his mandatory military service. L.

A. U officially made their previous announced Japanese debut on October 12, 2016, with the release of their second Japanese single, "She's Got Me". Following their Japanese debut, only three members, Choi, Donghyun, and Kyung Jin, were seen actively promoting "She's Got Me," while Jinwan remained inactive.

On December 26, it was announced that Jinwan had officially left the group due to personal reasons and medical conditions. The statement confirmed that the remaining trio would continue activities until Haewon completed his military service and that the group would resume promoting in South Korea after a year focused exclusively on Japan. On January 27, 2017, L.

A. U announced a MAKESTAR crowdfunding project for an upcoming release; the project quickly reached 270% of its goal. On February 14, it was announced that the group would make their comeback on the 18th with their first digital single under th...