How Heavy Are the Dumbbells You Lift? released the single for the OP on July 24 and came in first during the first month of its release on the iTunes aniong chart.
He also runs the YouTube channel about Japan stuff called TheDoctorDazza, tweets at @DoctorDazza and posts photo of his travels on Instagram.
The song, sung by popular J-POP band LiSA, came in second for the last month after it was released in April 2019.