Prompt:

Create a detailed drawing of a person taking a mirror selfie in a bathroom. The individual is shirtless, wearing blue boxer briefs with a dark pattern, a defined bulge can be seen around the pubical area, and is holding a smartphone in their right hand. The person is flexing their left arm, showcasing their bicep. He has a slim but muscular build, The background includes a shower area with a transparent glass door, and the floor is tiled with a black and white geometric pattern. The mirror reflects part of the bathroom, including a towel rack with a dark towel. Ensure the lighting and shadows are natural, reflecting the indoor bathroom setting.