Wait, How Did My Pure White Moonlight Turn Into a Lovesick Yandere?

I must have saved the galaxy in my past life to marry Senior Su Ya in this one. She's the pure-hearted campus beauty of Qingbei's literature department, the ideal girl in every man's heart. She always wears white dresses, clean and pure. Her voice is gentle and refined, and her eyes curve into crescents when she smiles. My friends all said my ancestors' graves must be smoking, and the elders praised her endlessly, saying Su Ya was a blessing I'd earned in a past life. I thought our days would go on happily, plain and simple. Until I noticed that my sweat-soaked jerseys and underwear kept disappearing...

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On the weekend, I spent the whole afternoon playing ball with my friends...