[Kurona]

'Split' teams does seem somewhat popular recently, even when the team's fully united. Ryusoulger's Red/Blue/Pink is a 'core' team while Green/Black (and sometimes Gold) are a secondary one; the Kyurangers were constantly put into grabbag teams doing different missions before they also decided to go for the versus format in their V-cinema; and then of course the entire point of Lupinranger vs. Patranger was two separate teams of rangers. Even all the toys recently have gotten in on the action -- all the mechas have had a large focus on interchangeability, and for the most part the 'Auxiliary' mecha aspect has been replaced by just different team members controlling it.

I wonder if it's something they've found to be working out for them. It does make sense -- separate teams is a good way to create some sort of source of conflict, especially if there's different ways of doing things between them ie early Ryusoulger Green/Black. It also allows each member to be more easily identifiable and stand out if they're members of smaller 2/3-team factions rather than one larger 5/6-team one, and that can easily be played up in a variety of ways for toy sales.

Personally I like the idea a fair bit, and would not be surprised at this rate to see it continue in Kirameiger.