If you go back to the toilet after class, you find that the man you like in the next class is in the

I'll chat with my classmates, keep an eye on him, and if you're cheerful, try to chat with him, and seize the opportunity if you like.

You'll be a teacher, if he's looking for you, he'll call you back, and if you stay in the hallway, they'll call you a nymphomaniac.

went back to the classroom and silently pretended to look at the scenery to see his back.

Let's walk back to the classroom and see the back!

The girls are all shy, look at the back.

Silently looked at the back.

Play in the hallway.

Playing in the hallway, I hope that the boy I like will notice my presence and make me closer and closer to him.

I would go back to the classroom and watch his back silently.

I would watch him silently from the hallway.