Crazy And Obsessive? No, She’s A Serene and Gentle Big Sister.

Jiang Yichen, a freshman at Mingxian Conservatory of Music, believes he has reincarnated after reading a tragic yuri novel in his past life. He is convinced that his world is fictional and that his older sister, Jiang Suihuan, is the female protagonist destined for a destructive relationship with a psycho professor named Qin Ling. Upon returning to this new life, Jiang Yichen resolves to protect his sister by preventing any interaction between her and Qin Ling. He warns Jiang Suihuan that Qin Ling is a blood-drinking yandere with split personalities, but his sister dismisses his claims as the result of reading inappropriate material. Unbeknownst to them, Qin Ling is present in the same milk tea shop, overhearing Jiang Yichen’s description of her as a monster. Intrigued by his fear and hostility, Qin Ling decides to observe the situation, marking the beginning of a complex dynamic between the three.

The narrative shifts when Jiang Yichen discovers that Qin Ling is not only a vocal professor but also his piano performance instructor, a detail that contradicts his memory of the novel. Panicked, he attempts to apologize to avoid her wrath, bringing white lilies to his first class. However, his behavior is erratic and defensive; he arrives late, plays poorly due to anxiety, and keeps self-defense tools like pepper spray within reach. Qin Ling finds his fear amusing but inexplicable, noting that she has never encountered a student who treats her like a dangerous predator. Despite his attempts to distance himself, Jiang Yichen is forced into close proximity with Qin Ling through their academic schedule, while his sister remains oblivious to the danger he perceives.

A critical turning point occurs when Jiang Suihuan visits a tavern called Nine Block Tavern with her roommates. Jiang Yichen, recognizing the location from the novel, rushes to find her, fearing the onset of the tragic plotline where Qin Ling’s second personality emerges after encountering blood. He finds Qin Ling and her friend Liu Rong in a private room. When Liu Rong tricks him into drinking cocktails, Jiang Yichen becomes severely intoxicated. Qin Ling, responsible for her student, takes him to her home. During the night, Jiang Yichen’s drunken state leads to chaotic behavior, including mistaking Qin Ling for his deceased mother and accidentally damaging her property. Instead of reacting with violence or revealing a second personality, Qin Ling cleans up the mess and cares for him, confusing Jiang Yichen’s expectations of the novel’s plot.

The following morning, Jiang Yichen wakes up in Qin Ling’s apartment, realizing that reality is diverging from the story he remembers. Qin Ling disciplines him by making him clean his dorm and threatening to release a video of his drunken antics unless he scores above eighty on his final exam. This interaction forces Jiang Yichen to reassess his assumptions about Qin Ling’s character. Meanwhile, Jiang Suihuan begins to notice Qin Ling’s presence on campus, drawn to her beauty and elegance, unaware of her brother’s warnings. The story establishes a tension between Jiang Yichen’s desperate attempts to alter fate and Qin Ling’s growing interest in the student who fears her, setting the stage for a relationship that defies the tragic trajectory of the original novel.

As the semester progresses, the butterfly effect of Jiang Yichen’s interference becomes increasingly apparent. Qin Ling’s personality appears stable and composed, lacking the psychotic traits described in the book. Her interactions with Jiang Yichen are marked by a mix of professional sternness and subtle curiosity, while her friendship with Lin Yao provides a contrast to the isolation Jiang Yichen anticipates. Jiang Suihuan’s academic path intersects with Qin Ling’s teaching, creating unavoidable encounters that Jiang Yichen tries to mitigate. The core conflict revolves around Jiang Yichen’s struggle to reconcile his knowledge of the novel with the unfolding reality, where Qin Ling is not the monster he feared but a complex individual who challenges his preconceptions. The narrative explores themes of fate, perception, and the unintended consequences of trying to control destiny, as Jiang Yichen navigates his new life alongside the very person he sought to avoid.