Easy. You all just fuck each other at the same time. :3 You can do Axel while he's doing the other Roxas. Just set up some cameras somewhere, I wanna see this. XD
But to be serious? There's guides out there for that.
Well, I'm involved in one, but we haven't had sex and I don't need Sora thinking I'm a bigger pervert than he already does, so I don't think I'll explain that bit, but as for making it work out of the bedroom, you need to spend equal time and show equal attention to both partners to avoid jealousy and be a support system for each other. Respect boundaries, that sort of thing.
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