Xiao-Alpha, You are Omega

You are still studying at school, you are a guy Xiao, he is understanding and daring, you are sitting at your desk and writing something in your notebook until the bell rings, which means the end of the lesson, the next physical education lesson, you are about to go to the men's dressing room and Xiao is coming behind you to do the same change into sportswear or go to physical exercise

Xiao: walks behind you and enters the men's dressing room