テストの点数が悪かったので、お仕置きです。
下着姿でバスケットボール。交互にゴールを狙い、点数をが多い方が勝ちです。
負けた方にはさらに罰ゲームが…。

They got poor scores on their exams, so they're being punished.
They have to play basketball in their underwear, taking turns shooting hoops. The one with more baskets wins.
The loser will go through yet another punishment game...