The Uniform

Ai underperforms on her high school entrance exam and, under her mother's pressure, enrolls in the night program at First Girl's High School. The shift forces her to balance two different school tracks and social circles. This marks the beginning of new friendships and challenges.

Ai shares a classroom with day students and meets her deskmate Min, who shares her interests. Min reassures Ai that she isn't elitist, and the two quickly become best friends. Their bond gives Ai a sense of belonging in the new environment.

To help repay her family's debt after her father's death, Ai begins a Sunday job at a table tennis coaching school. The work introduces her to a new sport and begins shaping her daily routine around school and lessons. She slowly becomes part of the table tennis world.

Luke, a wealthy boy from another prestigious school, is assigned to Ai for table tennis coaching. Impressed by her skill, he soon falls for her, sparking a budding romance. Their budding connection adds complexity to Ai's balancing act between school and life.

One night Min invites Ai to skip class to watch a basketball match. Ai sneaks off campus and injures herself, then faces consequences and guilt. To avoid trouble, Min suggests they swap uniforms to disguise themselves, and Ai gains confidence from their early risky successes.

Min arranges another skip to meet a boy she likes, who turns out to be Luke. Luke remembers Ai from their table tennis sessions, and the trio begins to hang out. Luke visits the table tennis school regularly, and they even play doubles together; after winning, the coach invites them to a competition, prompting weekly practice.

Luke asks Ai out on a date, and Ai changes her uniform's class name to distinguish it from Min's. Min grows jealous and schemes to expose Ai by visiting Luke's mother's gallery. The tension between the friends begins to surface as romantic feelings complicate their dynamics.

At the gallery, Min cues Ai when Luke's mother mentions the night program, and a university professor Ai claimed as her mentor reveals he doesn't know Ai. Ai's true identity is exposed, and she leaves in tears. The incident shatters her standing and strains her relationship with Min.

The next day, Ai returns her uniform to Min and quits her job at the table tennis school to avoid Luke. Ai's mother discovers the academic reports Ai had been hiding, leading to a heated argument in which Ai blames her mother for forcing her into the night program. The family conflict underscored the pressure Ai felt to pursue a path she didn't fully choose.

Promoted to her third year, Ai runs into Luke at the open day and he confesses his love regardless of her status. Ai insists they come from different worlds and resists the romance, highlighting the ongoing tensions between different social spheres. The moment encapsulates the central obstacle Ai faces in her personal life.

Ai's uncle falls ill, prompting her mother to visit him. A massive earthquake strikes, and Ai rushes home to check on her sister, finding her safe under a cupboard. The family ordeal leads to a heartfelt reconciliation once their mother returns, strengthening their bonds amid disaster.

While cleaning up after the earthquake, Ai finds a keychain that resembles Min. Worried, she hurries to Min's class and discovers Min is unharmed. The long-silent deskmates reconnect and share their struggles, rekindling their friendship and mutual support.

Ai works hard for her university entrance exam, showing noticeable improvements. During the exam, Luke gives up his admission quota to join her world, signaling a deeper commitment. They reconcile and exchange lucky charms, reinforcing their bond before the future ahead.

Ai receives a college offer, marking a major milestone in her life. She celebrates her 18th birthday with Min and Luke, symbolizing a new chapter where friendship and love endure despite earlier obstacles. The trio looks forward to the future together.