Tucked away in a corner of Shanghai is a special university of chemistry. Its students are all kinds of chemical substances: Concentrated Hydrochloric Acid, who wears traditional Han clothing and is gentle yet resilient; lively Titanium, who loves working out; and shy Gallium, who can melt into liquid in the palm of your hand. Like ordinary students, they attend classes, fool around, and share secrets. Their different chemical properties also lead to plenty of hilarious mishaps.
Teacher Cesium, whose lab coat is stained with traces of reagents, protects this little world with a mix of sternness and kindness. But one mistake leads to the introduction of dangerous dimethylmercury, setting off a chain of chaos: subway station names are altered, an eerie toxic gas fills the campus, and students fall into a daze. Hydrofluoric Acid investigates with keen insight, while friends like Concentrated Hydrochloric Acid and Gallium support one another, barely managing to contain the situation. Yet when the turmoil passes, Teacher Cesium's departure leaves everyone with a lasting sense of regret.
From equations in the classroom to fireworks over the Bund, from the innocence of first meetings to the reluctance to part at graduation, these
