〜上（に）
Formation
Meaning
Used to add information. If the first part is positive, the second part is also positive. If the first part is negative, the second part is also negative.
Examples
昨日は道に迷った上に、雨まで降り出した。
Yesterday I got lost, and to make matters worse, it started raining.
彼は仕事が早い上に、ミスもほとんどない。
He works quickly, and besides, he makes almost no mistakes.
このアパートは駅に近い上に、家賃も安い。
This apartment is close to the station, and on top of that, the rent is cheap.
彼女は頭がいい上に、性格もとても良い。
She is intelligent, and what's more, she has a very good personality.
このカメラは操作が簡単な上に、画質も非常に良い。
This camera is easy to operate, and in addition, the image quality is very good.
彼は親切な上に、力も強い。
He is kind, and also strong.
彼は教授である上に、作家でもある。
In addition to being a professor, he is also an author.
彼は秀才である上に、努力家でもある。
Not only is he a prodigy, but he's also a hard worker.