The tune is now used as the ED theme for the summer 2019 TV anime A Certain Scientific Accelerator.
A Certain Scientific Accelerator, another spin-off anime from the A Certain Magical Index franchise premiered in Japan on July 12, 2019, and has also been available to Crunchyroll members worldwide except Asia.
Their first single “Hosie” (August 22, 2018 release) was featured as the ED of the TV anime Sirius the Jaeger, then second single “MemoSepia” (March 6, 2019) was used as the ED for Mob Psycho 100 II.