《一分為二的世界PIGGY 1／2》選擇以未來世界擬人化的動物為主角，嘗試以奇幻寓言方式探討轉型正義議題。相較於過往直面社會議題的作品，王登鈺期待觀眾藉由本部動畫能夠理解轉型正義不僅是面對歷史的過往，也能夠激起多面向的思考，促進討論人權價值的可能性。

A rocket landed on an unknown planet after derailing from its course. Pigs, which are originally the source of food, after thousands of years of evolution, they become the citizens of this planet by building a civilized society. But now they are facing problems of limited resources, so those in power uses relics from spaceships and built a system that divides the citizens into 2 types: one type stays in the society as the working class; the other type is made into cans, solving the issues of lacking food and resources.

从小味觉失调的方檬，在父亲去世后接手濒临破产的“花素”餐厅，她在舒正言的帮助下，不断地尝试与努力，从一个只会做黑暗料理的小白，终于成功逆袭，将“花素”发展成为最具城市代表意义的餐厅，和舒正言也经历重重艰辛后共度人生。

三村新之函是平凡的下级武士，他的梦想是早日与妻子加世一起退隐山林，教孩子剑术。但随着新之函替领主试毒失明，他的命运急转而下，绝望的新之函一度想…