Morph and unmorph before reaching the transition, and then drift to the ledge. Enter the room as far right as possible.

Entrance condition:

{
  "comeInNormally": {},
  "comesThroughToilet": "no"
}

Requires:

{
  "notable": "Room Entry Reset Fall Speed"
}
"canSuitlessMaridia"
"canResetFallSpeed"
"canPrepareForNextRoom"