Maruko wins a prize in an art contest and is set to receive an award certificate. Hoping to use this as leverage to wheedle a reward out of her parents, she makes her move—only for her sister to butt in and ruin everything. She pulls herself together and stands proudly on the awards stage, only to suddenly need the bathroom.
まる子は絵画コンクールに入賞して、賞状をもらうことになった。それを利用して、親にご褒美をねだろうとするが、姉の横ヤリが入って失敗。気を取り直して表彰台に立つが、急にトイレに行きたくなる。
