The official YouTube channel for anisong singer ReoNa started streaming the music video for her 13th single "Lv.1 Class: Human," which is now featured as the ending theme for the summer 2026 TV anime The Exiled Heavy Knight Knows How to Game the System . ReoNa "Lv.1 Class: Human" Music Video The Exiled Heavy Knight Knows How to Game the System Creditless Ending Video ReoNa made her pre-debut in April 2018 as the singing voice of Elza Kanzaki, an insert song artist in Sword Art Online Alternative Gun Gale Online , and later made her solo debut under the name ReoNa in August of the same year. In addition to the Sword Art Online series (2019-2025), she has provided theme songs for anime works such as Happy Sugar Life (2018), SHADOW HOUSE (2021), and Shangri-La Frontier (2024). In the current Summer 2026 season, she also sings "Amore," the opening theme for I Want to Love You Till Your Dying Day . The song "Lv.1 Class: Human" released digitally first on July 3, with the CD single to follow in three editions on August 26.