Seasons & episodes
S1 · E1You and I, the Intersection of Two Universes 2023-01-14 · 75 min
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.
S1 · E2Probability of Encountering Your Enemy at Your Worst 2023-01-15 · 75 min
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.
S1 · E3Number of Outcomes Where Dislike Becomes Like 2023-01-21 · 73 min
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.
S1 · E4Revolt of the Arithmetic Sequence 2023-01-22 · 69 min
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.
S1 · E5The Secret Probability Distribution of X and Y 2023-01-28 · 76 min
Haeng-seon and Chi-yeol work out an arrangement for Hae-e's tutoring. A mysterious tragedy leaves the academy and its parents rattled.
S1 · E6There Are No Correct Answers in Life, Only Best Answers 2023-01-29 · 76 min
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.
S1 · E7The Very Average Laws of Attraction 2023-02-04 · 70 min
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.
S1 · E8Chance Becomes Fate through Inductive Reasoning 2023-02-05 · 67 min
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.
S1 · E9The Butterfly Effect of Our Relationship 2023-02-11 · 71 min
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.
S1 · E10Emotion, the Variable That Alters Relationships 2023-02-12 · 72 min
A public revelation leaves Haeng-seon and Chi-yeol's relationship in limbo. Meanwhile, Chi-yeol faces the repercussions of recent events.
S1 · E11The Functional Relationship of Our Love 2023-02-18 · 74 min
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.
S1 · E12Point of Intersection between Comedy and Tragedy 2023-02-19 · 77 min
A shocking arrest leaves the academy's parents — and Hae-e — concerned. Haeng-seon and Chi-yeol maneuver the days after their first fight.
S1 · E13How We Approach an Unsolvable Conjecture 2023-02-25 · 74 min
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.
S1 · E14Find the Unique Solution 2023-02-26 · 73 min
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.
S1 · E15The Result of Chance and Inevitability 2023-03-04 · 76 min
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.
S1 · E16You and I, the Union of Two Universes 2023-03-05 · 77 min
Grappling with her mother's return, Hae-e announces a shocking decision. Haeng-seon and Chi-yeol make a pivotal choice about their future.