Translation:

just now during fashion class, my professor was talking about this and that; when mention of TVXQ came up. Amongst one of their costumes was a coat that s/he had to re-fit. As rough estimations were needed, a photograph of (Changmin) was needed wearing it and was requested from TVXQ’s side. The photograph sent was of him with completely straight hair + mask + usual training clothes on; with the coat hung on him ㅋㅋㅋㅋ when hearing it; just imagining it; (he) was really cute ㅋㅋㅋ

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Credits:

Non-fanaccount by @KIRAKIRA_KIMHL,
Translated by @snxy,
Shared by TVXQ! Express