Reacting to TXT - Eternally MV (im honestly so confused)

Hi cutiessss, I'm back with our beloved TXT, I loved the duality of the song but didn't really expect it lol. Please can somebody smart explain to me what's going on in this video? T.T Thank you as always for all the support and love, have an amazing day lovessss . . . . . . . . . . . . . . . . . Original video:    • TXT (투모로우바이투게더) 'Eternally' Official MV      • TXT - 'ETERNALLY'  Lyrics [Color Coded_Han...   Background sound: Embark Towards Life || A Ghibli inspired composition - DaepaloyWorks    • Embark Towards Life || A Ghibli inspired c...   Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational, or personal use tips the balance in favor of fair use. No copyright infringement intended. ALL RIGHTS BELONG TO THEIR RESPECTIVE OWNERS DISCLAIMER: I do not own any of the music used in this video. All rights go to their respective owners. The music in this video is used for entertainment purposes only.