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Jae-Won is reunited with his old classmate during a taekwondo lesson. But Jeong-Uk is no longer the timid dork from school. Instead, he’s a fully-grown hunk who’s huge in more ways than one! It’s clear to Jae-Won that there’s animosity between them, but why? And how come he can't recall if they were friends or enemies? It’s all so hazy! After class, a fall in the shower causes Jae-Won’s lost memories to begin trickling back to him. And the question, “Did I do something wrong?” sets the two old classmates off on a steamy journey to recover Jae-Won's forgotten past… (Source: Lezhin US, edited)