"Two or Three Things in My Bathtub" is adapted from the manga of the same name by Japanese manga artist Itokichi. When the animation premiered in Japan in 2014, it became one of the most talked-about works of the season, and ranked first in the instant noodle traffic ranking among the 43 new animation works of the same season. This drama is full of youth, love, and fantasy elements. It describes the marginal tool high school student Zhao Longjie (played by Cai Fanxi) who was inexplicably entangled by the sea bully "Mermaid" Li Renyu (played by He Haochen) after his only relative grandfather passed away. In order to find a way to send Renyu back to the sea, the two enemies had to start a secret cohabitation life, and then embarked on an absurd and healing journey of growth.