It's like David Cage smoked a lot of weed, licked a lot of toads and dropped a lot of acid, and then finally, when he was higher than the highest kite, he was like:

"Hey, you know those fire emblem games? I wann make one of those, but go full weeb simulator this time! And forget about the story. We'll just distract everybody with pretty characters, nice music and a whole lot of incest bait. They'll never notice."