In 2007, upon promotion to the JFL, they renamed themselves simply MIO Biwako Kusatsu until 2011.

In 2022, MIO Biwako Shiga finished in the last place out of the 16 participating teams in the season.

The club, however, was not relegated back to the Kansai League, as JFL's top 2 teams were promoted to the J3.

On 28 November 2023, At the J League Board of Directors meeting held on this day, Reilac Shiga was decided to issue J3 club licenses for the 2024 season.

[3] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.