Alphabat originally debuted as a duo act made up of Kyumin and Selin, but soon after debut Kyumin left the duo and Selin was joined by eight new members to create the nine member boy band now under Simtong Entertainment set to re-debut in November 2013.
As announced on November 1st, 2016 via AlphaBAT Japan's official Twitter, AlphaBAT has appeared to have switched companies from Korean label Simtong Entertainment to Japanese label Jakol Corporation, along with the (unofficial) departure of members C:ode, D:elta, F:ie, I:ota, and youngest member J:eta who enlisted on November 9th. They will be promoting as five members which includes the addition of new member K:appa who was revealed on AlphaBAT Japan's official Twitter on November 3rd. A Japanese comeback special was held on December 2nd. Activities included B:eta E:psilon, G:amma, H:eta, and new member K:appa. Promotions will be without B:eta due to his enlistment.
May 23, 2017 AlphaBAT opened a new official Instagram account, indicating they would soon be restarting activities as a group. On June 8, 2017, AlphaBAT appeared for the first time on Naver's Vapp channel Idol x Idol.
July 25 2017, member H:eta announced his enlistment via his personal Instagram account. As a result, AlphaBAT is left with only 4 members. However, it is currently unclear if H:eta will return to the group in 2019 upon completion of his enlistment. July 28, 2017, AlphaBAT released their EP, Get Your Luv, which they had a small showcase for.
On August 7, 2017 AlphaBAT released their music video for their title track, also called Get Your Luv. They also released the dance practice for their title track on the same day.
On November 3, 2017, AlphaBAT performed Get Your Luv on Music Bank, their first time performing the song on a music show.