I Don't Want To Be Friends With You 

High schooler Li Jinbu time-travels to 1999 and accidentally barges into a boys' bathhouse. Confused and alone, she meets Duan Xiao and Duan's mother, then learns she's traveled back to her mother's youth.

Jinbu navigates high school life in 1999, struggling with alien customs and missing phone. She reluctantly heads into uncharted social territory.

Jinbu meets her teenage mother, Qingtong, at school. They clash over classmates and household history. Their bickering shifts quickly; they begin to bond.

Jinbu joins Qingtong's class, makes new friends, and secretly tries to mend mother's future through small interventions.

Jinbu defends Qingtong against Chen Junhe's teasing. Their budding friendship draws attention-and sparks conflict.

Jinbu encourages Qingtong to study harder. Strange déjà vus and future echoes echo through their interactions.

Summer approaches. Jinbu and Qingtong share life stories over milk tea, solidifying their friendlier bond.

Jinbu senses her mother's hidden pain-about her absentee dad. She comforts Qingtong, growing meaningful trust.

On a winter trip north, Duan Xiao and Jinbu reconnect-Jinbu experiences snow, warmth, and fleeting comfort of youth.

Jinbu navigates school events and hidden teenage hierarchies. Her forwardness shakes up classmates and teachers alike.

She encourages Qingtong to run in a school race, symbolizing ambition. The two young women bond over self-growth.

Jinbu counsels Qingtong through puppy love drama. Meanwhile, she feels pangs of homesickness.

They write letters to their older selves. Jinbu secretly hides hers to still guide Qingtong toward a better future.

Jinbu shares dinner with Qingtong's struggling family. She gains empathy and deeper insight into hardships.

Qingtong attempts a risky grade appeal. Jinbu supports her, giving both courage amid growing trust.

Jinbu worries history will repeat itself. She quietly steers Qingtong toward smarter personal choices.

Jinbu surprises Qingtong with a small birthday gesture, deepening their bond and reflecting on future promises.

When Jinbu realizes she must return, both struggle with separation anxiety-even stranger, Qingtong begins suspecting deeper change.

Days to departure countdown. Jinbu scrambles to cement positive changes while hiding truth from Qingtong.

Jinbu leaves a hidden gift during a heartfelt goodbye. The women part, emotionally changed.

Jinbu awakens back in the present, uncertain if her past efforts made any difference-world feels subtly shifted.

Back to 2020, Jinbu investigates whether Qingtong's life changed. Subtle new details hint her intervention worked.

Qingtong is now pregnant with Wu Zhixun's child and preparing to remarry Chen Junhe-with Jinbu's support.

Jinbu helps unite Qingtong and Junhe. Mother and daughter begin a true friendship-standing together in both timeframes.