Suspended sentences (執行猶予 shikkō yūyo) are common practice in Japan and can be applied in cases where a sentence is for up to 3 years in prison and/or 500,000 yen in fines. Any criminal activity during the period of the suspended sentence will result in the cancellation of the sentence and imprisonment for the prescribed term.
Means she might have a shot at not doing time, depends on what she gets from the judge.