Translations of TVXQ’s Related part only :

NCT127’s Taeyong: During the rehearsals for “Fire Truck”, Yunho hyung came personally & watched (us) and gave a lot of advice. He also said he would be anticipating (us) a lot and cheered us on.” -omitted-

Yuat as well, said “As for me, Changmin sunbaenim said not to be nervous and to tell hyung, if there were any difficulties,” showing off the warmth between seniors and juniors.

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Credits:

OSEN via naver,
screen cap via @ymamylim,
Translated by @snxy,
Shared by TVXQ! Express