Bro

Bro was the first group under Union Project. They debuted February 8th, 2300 and officially disbanded on December 8th, 2305.

Prior to debut

 * Union Project announced they were looking for members of a new group.
 * On October 9th, 2299 Rio, Mal, and Sodah were introduced as the members of a new group.
 * Sodah had singed onto the project as an actor prior to the debut.
 * They released their mini single on December 3rd, 2299 a few months before debut.

2300-2302

 * February 8th, 2300 Bro debuts as the first band under Union Project.
 * August 10th, 2300 Bro releases their 2nd mini single.
 * From January 8th, 2301 to July 19th, 2301 Bro has their first mini tour.
 * On July 4th, 2301 Bro released their 1st album.
 * On December 9th, 2301 they released their 3rd mini single.
 * On January 1st 2302 they released their first photo book.
 * From January 11th, 2302 to May 26th, 2302 Bro has their second mini tour. The tour ended up being postponed on March 9th due to Mal being injured. The tour resumed June 4th and lasted until August 10th.
 * On August 23rd 2302 they released their 4th mini single.

2303-2305

 * On January 20th, 2303 Union Project announces that Rio's contract has been cancelled and he has subsequently left Bro and the Project. The management would talk further with the other members to see what their plans are.
 * On March 8th, 2303 a statement was made indicating that Bro chose to disband in 2305 following the release of singles, albums, photo books, and a world tour.
 * On June 5th, 2303 the remaining 2 members released their 5th mini single.
 * October 9th, 2303 they released their 6th mini single
 * On January 17th, 2304 they released their 2nd photo book.
 * On November 7th, 2304 Bro released their final album indicating the start of their world tour which would run from December 8th, 2304 to December 8th, 2305.
 * On December 8th, 2305 Bro disbanded and Mal stayed as a soloist while Sodah stayed as an actor.