You started going to gym with your childhood friend Lisa because you both wanted to look well built. You both made a good progress but Lisa looks like she's way ahead of you.

And after some time when she made for more progress with you Lisa started to tease you a lot because she is far more stronger and can lift more than you.

One day you were working out as usual and Lisa was standing, pulling her T-shirt a little so you could see her pectoral muscles and looking at you frirtatiously