Season 1

01 You and I, the Intersection of Two Universes Episode 114th January 2023 As competition in her class ramps up, Nam Hae-e anxiously awaits her math score. Choi Chi-yeol is embroiled in a scandal involving one of his students. 02 Probability of Encountering Your Enemy at Your Worst Episode 215th January 2023 Nam Haeng-seon attempts to register Hae-e into The Pride Academy. Desperate for Haeng-seon's food, Chi-yeol visits her store in a disguise. 03 Number of Outcomes Where Dislike Becomes Like Episode 321st January 2023 Haeng-seon begins fawning over Chi-yeol after discovering his true identity. A change in the Pride Academy's schedule creates a stir among the parents. 04 Revolt of the Arithmetic Sequence Episode 422nd January 2023 Haeng-seon gets a taste of the vicious politics among the academy's parents. She later goes to great lengths to make things right for Hae-e. 05 The Secret Probability Distribution of X and Y Episode 528th January 2023 Haeng-seon and Chi-yeol work out an arrangement for Hae-e's tutoring. A mysterious tragedy leaves the academy and its parents rattled. 06 There Are No Correct Answers in Life, Only Best Answers Episode 629th January 2023 A painful past comes back to haunt Chi-yeol. Bang Su-a becomes suspicious of Hae-e after finding her secret worksheets on her desk. 07 The Very Average Laws of Attraction Episode 74th February 2023 Hae-e ranks first in her class, causing drama among other parents. Chi-yeol and Haeng-seon grow closer as he spends more time with her family. 08 Chance Becomes Fate through Inductive Reasoning Episode 85th February 2023 Haeng-seon realizes her own feelings after seeing Chi-yeol at the academy. Su-a connects the dots and begins to make sense of Hae-e's recent successes. 09 The Butterfly Effect of Our Relationship Episode 911th February 2023 Chi-yeol and Haeng-seon deal with the fallout after their secret is discovered — forcing the two to confront what it means for them moving forward. 10 Emotion, the Variable That Alters Relationships Episode 1012th February 2023 A public revelation leaves Haeng-seon and Chi-yeol's relationship in limbo. Meanwhile, Chi-yeol faces the repercussions of recent events. 11 The Functional Relationship of Our Love Episode 1118th February 2023 Tired of her loved ones facing scrutiny, Hae-e makes a bold confession to the world. Haeng-seon and Chi-yeol navigate their road ahead post-scandal. 12 Point of Intersection between Comedy and Tragedy Episode 1219th February 2023 A shocking arrest leaves the academy's parents — and Hae-e — concerned. Haeng-seon and Chi-yeol maneuver the days after their first fight. 13 How We Approach an Unsolvable Conjecture Episode 1325th February 2023 Hae-e attempts to get a hold of Lee Sun-jae after being put in a difficult position at school. Haeng-seon catches Ji Dong-hui in a hostile moment. 14 Find the Unique Solution Episode 1426th February 2023 News about Hae-e leaves those around her feeling rattled. Haeng-seon begins to suspect something's off. Chi-yeol confronts Dong-hui about his behavior. 15 The Result of Chance and Inevitability Episode 154th March 2023 Lee Sun-jae's confession ignites a scandal at the school. Chi-yeol attempts to put an end to Dong-hui's scheme before it's too late. 16 You and I, the Union of Two Universes Episode 165th March 2023 Grappling with her mother's return, Hae-e announces a shocking decision. Haeng-seon and Chi-yeol make a pivotal choice about their future.