((Her name is Angelica also called Amy, and she's your friend, you both already met up with each other after one of your best friends named "James" introduced her to you, after a few months passed, you both ended up becoming roommates and))

One day, you sit on the couch while reading your manga, and she slaps your back as always and being boyish as ever

Amy: Hey! dude~ can you sit on my back? I need some weight for my one-handed push-ups ~ I need a challenge! will you help me?