xxmai

You can watch the special on LOFTER's official site RAW here =
https://missingu520.lofter.com/post/4ccc745e_1ccc8ba59

You can watch it on LOFTER's official site RAW here =
https://missingu520.lofter.com/

You can watch it on LOFTER's official site RAW here =
https://missingu520.lofter.com/

It's possible. I haven't watched all the versions to check if they're the same, so you or someone else might know better than me about that. (:

You can watch it on Young Jae's official YouTube channel with ENG subs here =
https://www.youtube.com/playlist?list=PLGgbGQvKigcpy7TDXkzgGYks-8tHvCIhy

No problem. (;

If you'd like to ask a question to the two actors directly you can ask them through a DM on Aplay's Twitter account =
https://twitter.com/Aplay_as/status/1485779756641845250

You can watch it on LOFTER's official page RAW here =
https://luv4ever520.lofter.com/

You can watch it on DRIPPIN's official YouTube channel with ENG subs here =
https://www.youtube.com/watch?v=Tdq3rquWH-U

Not sure if it'll be available to you, as SBS set it up to be accessed by only people in South Korea, but give it a shot and see it'll work =
https://www.youtube.com/watch?v=Ey4BijI03bs

You can watch it on SBS Now official YouTube channel here =
https://www.youtube.com/watch?v=Ey4BijI03bs

It is not. This is a different version where cast themselves talk about what went on during the filming of the drama and similar stuff.
The documentary video has a different page on MDL =
https://kisskh.at/719951-our-beloved-summer-the-documentary
That one has already been released on SBS Now on YouTube.

You can watch it raw here =
https://eynytv.com/voddetail/104844.html

Her instagram account: https://www.instagram.com/elefante_924/

No, unfortunately at the moment I don't know any other site.

You can watch it on NXGen Productions official YouTube channel here =
https://www.youtube.com/watch?v=nIZScq10V84

You can watch the director's cut on AIS Play's official website raw here =
https://aisplay.ais.co.th/portal/serial/series/61e11ad798d9f633c3b52cee

You can watch it on M2's official YouTub channel with ENG subs here:
Ep. 1 - Woo!Ah = https://www.youtube.com/watch?v=EeE5NW2WZ-w
Ep. 2 - JUST B = https://www.youtube.com/watch?v=Ay1ff0ZUm90
Ep. 3 - T1419 = https://www.youtube.com/watch?v=CRhTFwBsvgk
Ep. 4 - E'Last = https://www.youtube.com/watch?v=enjrOOA4KRc
Ep. 5 - Lightsum = https://www.youtube.com/watch?v=DdgQIFc_PIk

You can watch it raw on kaishou's official site here:
https://www.kuaishou.com/profile/3x9tefed99tb4am

You can watch it on ITZY's official YouTube channel with ENG subs here:
Ep. 1 = https://www.youtube.com/watch?v=y-ZNOMvHyIQ
Ep. 2 = https://www.youtube.com/watch?v=15eYDDAWqlg
Ep. 3 = https://www.youtube.com/watch?v=ay0KkpntA_c