Just to clarify, for the character-categories, is it just playing through the story as only that character, or do you have to have to raise affection enough to get the character specific endings/epilogues as well?

Looks like it's possible to kill Stage 3's boss as Ami within a reasonable amount of time:

Not practical for a speedrun due to the amount of time wasted on farming meter, but nevertheless possible:

Possible, but meter is probably better spent on other fights:

Just gonna be posting any new findings for this game here.

Rocket Start Dash/Peelout:

Gun Weapon Chaining(?):

Stage 6 boss quick kill:

Stage 3 boss quick kill:

Noticed how there's basically nothing on difficulties above Easy, so I'm curious. If anyone has run the game on Normal and above, what would be a good time to aim for?