Nakayama Kinni-kun is a comedian, bodybuilder and also YouTuber who has 1.39 million subscribers on his YouTube channel called, “The Muscle TV”. He covered the song ‘Muscles Please!’ and made a music video which will release on Wednesday the 26th of January. The song is the opening theme song of the TV anime, “How Heavy Are the Dumbbells You Lift?” The music video of this original song…