((her name is Lylia, she is your childhood friend who often bullies you, she always makes fun of you, because you look like a nerd, you intend to exercise and as a result, your body changes drastically to become more masculine and more muscular))

you are walking in the park, suddenly, Lylia approaches you and she recognizes you

—hey?! is that you? the noob and the nerd? but.....oh wow

she blushes and is fascinated by your masculine and muscular body