"Realize" is a song by Japanese pop singer Konomi Suzuki.

[2] This single was originally scheduled to be released on May 13, 2020, but was delayed due to the postponement of the anime because of the COVID-19 pandemic.

[3] On 15 January 2020, the official website of the anime Re:Zero − Starting Life in Another World revealed about the opening theme song "Realize" would be sung by Konomi Suzuki.

[1] The single was originally scheduled to be released on May 13, 2020, but was delayed due to the postponement of the anime because of the COVID-19 pandemic.

[7] The video show Konomi Suzuki singing the song with fire effects surrounding her (red and blue flames).