A-Mo's parents split up years ago, and they have both remarried since and have their own new families, neither of which wants A-Mo. From the time he was small, he was left with his grandma and grandpa, who were elderly and ill-tempered.
阿莫的父母多年前即離異，又各自婚嫁，另組家庭，兩家都不要他，他自小由阿公、阿媽照顧。