The World Ends With You
Haven't played it so wild guess here: Death Stranding?
No idea on the other 2.
6. The 11+ battles between musical genres & elemental powers.
7. A laid back shirtless guy & his tsundere friend begin a decade long war with their next-door neighbor.
Switch exclusive game with Nintendo worlds/characters. Data-Sora gets sent to Grand Central Station to find the missing Dandelions but has to go through a bunch of connected game worlds first for reasons.
EDIT: Possible reasons: Maleficent using her magic to reprogram the bad guys so they...