This is a Tool-Assisted Speedrun (TAS). Played on SwareJonge's Dolphin 5.0 LUA Core v3.5.1.
Tools Used: SlowDown, Savestates, and Frame Advance.
Texture Pack: https://tinyurl.com/4sxjrvjf
This was fun to do and I will definitely be making more Mii TAS videos in the future.