Other Title: 연애대수학 / Romantic Algebra / Algebra of Love / Dating Algebra

Author: Euaeng

Summary: By chance, a woman crosses paths with her first love from high school—a senior who was remarkably neat and pure. If her memories serve her right, he mutualized those feelings back then too. Yet despite their connection, a mysterious lingering reason has kept them from ever actually dating, spanning from their past right into the present. Determined to uncover the truth, she sets out to ...

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