First Love Still Continues! (super on_hold)

a simple yet famous girl... met her first love.... a nerdy guy
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a confession was made
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but our protagonist has a fiancé and she needs to go to states...
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unfortunately need to forget about her first love...
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after 3 years...the nerdy guy suddenly change...
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he's a heartthrob in the whole campus
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and when his girl comes back
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he promised to himself that he will make her fall for him again..