Secret Personal Training

Barely able to bench-press an empty bar without wobbling, this weakling bravely enters a gym, hoping to shed his feeble reputation. Instead, he is unexpectedly assigned a stunning female personal trainer with a spectacular figure. Facing brutal devil training and frequent embarrassment from the weights, he grits his teeth to stay strong so the goddess won't look down on him; while the seemingly cold and strict female coach is gradually moved by this small weakling's tenacity and perseverance. The training ground, where sweat and hormones intertwine, gradually becomes a sweet spot for dating, and a spark of sensuality is ignited between them...