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A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.
A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.
At a turning point, Q and X must face whether the “21-day theory” will define their future.
As their days together grow, Q’s feelings shift, and mutual understanding slowly deepens.
After X’s injury, Q tends to him closely, giving them a chance to see each other differently.
Q meets X and is challenged to beat him in 21 days—sparking rivalry and unexpected bonds.
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Killer Heart
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My Staycation Boy
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My Marvellous Dream Is You
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Show Me Love
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Loser Dream
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Doctor Love Edition
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The Beginning of Love
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Until Once Again
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I don't remember the feeling
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Ice Break, Heart Melt
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Thee and Thee
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A Good Yesterday
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