In 'Musclebound Hearts', you step into the shoes of YEXPZN, a high school fitness champion torn between the desire for ultimate strength and the passionate relationship with your boyfriend, MAX. After MAX concocts a mysterious muscle growth serum, your physique skyrockets, but so does the intensity of your emotions. Navigate the challenges of heightened strength and heightened passion as you face rivals, uncover secrets behind the serum, and explore the dynamics of your relationship with MAX. Will you become the ultimate athlete, or will your newfound strength shatter the delicate balance of your love?