A pair of sneakers.

There was more paper wrapping inside, with an envelope lying on top of it all. {first_name_female}'s excitement increased, as she was getting somewhere while still not knowing what was under the paper.
She took the envelope first. The seal looked and smelled expensive, but had no signatures whatsoever. She ripped it off slowly and found a folded paper note inside.

"Here's your challenge, lucky!

'Sportshoes'

Objective: Avoid having an orgasm in 24 hours;
Completion reward: 3 more pairs of shoes of your liking;

Failure penalty: 72 hours."

Mandy's brows went up and remained there. This was very confusing so far, so she put the note aside and got to unwrapping the main payload. There was a pair of perfectly white brandless running shoes with a moderately thick sole and a little heart printed on the sides. The materials smelled very expensive, and some more inspecting proved them to be soft, durable and her exact size.

She thought about wearing them for tomorrow's PE class, as she assumed they would look very good on her long legs. Mandy looked at her closet, where her trusty old pair of sneakers stood. They were still very operational, but the damage was very visible, and she could not afford new ones just yet… until there they were, in her hands.

The girl wondered if they were going to het her some compliments from the boys. She haven't heard them in a while. Most of her classmates were having relationships come and go, but Mandy did have some consistent issues there for a while.

That challenge part came to her mind secondarily. One day without pleasing herself? Yeah, she could manage. She did like to masturbate once in a while, but what could possibly be the problem there? It seemed as if these three brand new pairs had already secured their place in her way too empty shoe compartment.