The 2017 SHILLA Duty Free FAN FESTIVAL with TVXQ! U-Know in SEOUL was held on 18:00 at Kyunghee University, Hall of Peace (for about 2000 fans)!
Yunho performed Mirotic, Mideoyo (I believe), and Why? Keep Your Head Down~ (Check previous posts for more)

https://www.youtube.com/watch?v=jN4M_D5ii_M

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Credits:

Fancam by @onlyoneuknow | ONLYONE-UKNOW.COM,
Shared by TVXQ! Express