I finally managed to finish the speed-run for making the Red Bell % a possible run. Time starts when the player selects "New Game" and ends when control is regained after the Red Bell cut-scene. The run can be found here:

I have done a proof of concept run for Red Bell % which can be found here: . Time was intended to end once you regain control of your character, however in this particular video I had messed up on this.