Yang Shi-Nan is a 14-year-old boy who undergoes a metamorphosis without realising what is going on. It begins on a normal school day when he gets stomach cramps. After rushing to the toilet he notices that his urine is turning bloody red. Taken to a doctor he is diagnosed with “Disorders of Sex Development,” or intersex. Without consulting him, Shi-Nan’s parents decide to accept “sex reassignment surgery”, turning Shi-Nan into a female and changing her name to YANG Shi-Lan. The family moves to a new city to start a new life and it all seems to be going well as Shi-Lan blends in and even makes friends. It seems like the butterfly is about to break out of its chrysalis but can Yang Shi-Lan truly embrace her transformation?
Dragon Lee struggles with living with his five beautiful, talented, and incredibly strict older sisters. With the transfer of a new girl, Meng, to his class, Dragon decides to trick Meng into becoming his girlfriend, so he can escape the control of his sisters. With this new threat, his sisters set up traps and challenges to try and break up the young couple, but Meng and Dragon grow closer as they head face-on and overcome each challenge together.
Shu-wei is an unpopular student who is a constant target for the school bullies, but he ends up joining forces with them when they encounter two demonic sisters who feast on human flesh in the middle of the night. The gang manage to capture one, but the other demon is angry and starts killing anyone wearing a school uniform.
