nothing to regret after you give up on your GF, or smting like that
or some like this
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Japanese acronym for Netorare, used to define a genre of Eroge (
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), meaning "Cuckold". In short, the main protagonist's loved
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(s) are taken or seduced away from him and the heroine might be willing or unwilling. This is to cause an emotion of deep jealousy on the reader.