From: WaIker | #107
You can re-do the main story and the second time it gives you a NG+. Oichi outlines it when you finish the main campaign. At least that's what I gathered by paying minimal attention so take me at face value.
Hmm... Granted, I'm still on the main story since I've been trying to get as many warriors their Perfect Links as possible, but from reading around on the game board, the only way to get back to the Hero is to beat the 32 other post-game episodes. The last episode is apparently about the same as the main story, though, so perhaps it'll have the same option where you choose between Illusio and Terrera. That last episode is re-playable, I know that.
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"First time I got punched in the face, I was like "oh no", then I was like "this is a story"."