The official Japanese website for the TV anime adaptation of Yabako Sandrovich (story) and MAAM (art)’s weight training-themed comedy manga How Heavy Are the Dumbbells You Lift? has announced that the music video for its OP theme song “Onegai Muscle” has been watched over 200 million times on YouTube since July 2019.
It was released on July 24, 2019, as her first anime theme song work after her debut as a voice actress.
The song itself was performed by Fairouz Ai, the voice of the protagonist Hibiki Sakura, and Kaito Ishikawa, the voice of Naruzo Machio.