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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.
Episodes
1You and I, the Intersection of Two Universes 2Probability of Encountering Your Enemy at Your Worst 3Number of Outcomes Where Dislike Becomes Like 4Revolt of the Arithmetic Sequence 5The Secret Probability Distribution of X and Y 6There Are No Correct Answers in Life, Only Best Answers 7The Very Average Laws of Attraction 8Chance Becomes Fate through Inductive Reasoning 9The Butterfly Effect of Our Relationship 10Emotion, the Variable That Alters Relationships 11The Functional Relationship of Our Love 12Point of Intersection between Comedy and Tragedy 13How We Approach an Unsolvable Conjecture 14Find the Unique Solution 15The Result of Chance and Inevitability 16You and I, the Union of Two Universes