I love this so much!!! I can't imagine Cat Life without GUMI, and as a GumiLen shipper, this makes me so happy! Now, if only someone can do this to Wonderland × Showtime's cover of 1, 2, Fanclub and put GUMI back in that song too!
Okay, BUT THIS IS ACTUALLY VERY WELL MIXED??? I really really liked how you edited the video, and how you managed to replace the girls' lines and put Gumi's in their spots :3