E1 - You and I, the Intersection of Two Universes

Aired: January 14, 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.

E2 - Probability of Encountering Your Enemy at Your Worst

Aired: January 15, 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.

E3 - Number of Outcomes Where Dislike Becomes Like

Aired: January 21, 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.

E4 - Revolt of the Arithmetic Sequence

Aired: January 22, 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.

E5 - The Secret Probability Distribution of X and Y

Aired: January 28, 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.

E6 - There Are No Correct Answers in Life, Only Best Answers

Aired: January 29, 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.

E7 - The Very Average Laws of Attraction

Aired: February 04, 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.

E8 - Chance Becomes Fate through Inductive Reasoning

Aired: February 05, 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.

E9 - The Butterfly Effect of Our Relationship

Aired: February 11, 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.

E10 - Emotion, the Variable That Alters Relationships

Aired: February 12, 2023

A public revelation leaves Haeng-seon and Chi-yeol's relationship in limbo. Meanwhile, Chi-yeol faces the repercussions of recent events.

E11 - The Functional Relationship of Our Love

Aired: February 18, 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.

E12 - Point of Intersection between Comedy and Tragedy

Aired: February 19, 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.

E13 - How We Approach an Unsolvable Conjecture

Aired: February 25, 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.

E14 - Find the Unique Solution

Aired: February 26, 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.

E15 - The Result of Chance and Inevitability

Aired: March 04, 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.

E16 - You and I, the Union of Two Universes

Aired: March 05, 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.