The Effect

Shin is a 1st year university student who is considered an outsider. Due to his clumsiness he becomes acquainted with Keng, a 4th year student. The two become close but when nasty rumours about them start to be spread, things become sour.
(Source: walmartjimin from My Drama List)
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There are two versions of the novel that this drama is based on. One is dark and may not be suitable for certain people. The other is on the lighter side. It is currently unclear as to which version this drama will be based on.