Six months after the opening theme muscle video of How Heavy Are the Dumbbells You Lift? reached 100 million views, “Onegai Muscle” grabs the heaviest weights it can and reps over 150 million views, in fact, as of writing, the video on YouTube alone is over 155 million views!
The muscle version of the How Heavy Are the Dumbbells You Lift? opening theme “Onegai Muscle” features muscle idol Reika Saiki and bodybuilder Naotaka Yokokawa flexing their way through the song.
How Heavy Are the Dumbbells You Lift? was broadcast on Japanese TV from July 2019 to September 2019, adapting the manga of the same name written by Yabako Sandrovich and illustrated by MAAM.