I'm not sure if anyone has pointed this out but the glider on the main menu looks like the glider from the skydiving game in Wii sports resorts. In other words we're
Wii Sports Resort - Skydiving - YouTube
Island Flyover - Wii Sports Resort Guide - IGN
Wii Sport Resort - Wii - Skydiving (Test) - Part 2 - YouTube
Wii sports resort - - Nintendo WII - Place des Libraires
Wii Sports Resort (Wii)
Wii Sports Resort *SKYDIVING* | Video Games Amino
Wii Sports Resort Skydiving music Intensifies* : r/dankmemes
The Sonic Fairy - Played Wii Sports RESORT, did some JoJo... | Facebook
Wii Sports Resort Sports Tier List (Community Rankings) - TierMaker