I will be taking the Keikyu Airport Line from Haneda to Onarimon Station.
According to Google transit it shows the following:
My question is this, where it has Keikyu Airport Line towards Inzaimakinohara, and then Keikyu Main Line towards Inzaimakinohara (squared off in green), do I need to change trains? Or, is this actually the same train, and it's just broken up on the transit directions?
Not sure if it will help, but here is the link to the Google maps with the transit: maps