I'm swimming in gold so I don't need that nonsense
In all seriousness though, keep in mind Noel's passive is a long-term investment so if you're having issues with event or story stages, Odette is a safer bet since it'll be bigger assist to clear maps (unless you need the mage/healer hybrid to help heal sometimes)
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I'd argue that she's more comparable to Elva, since she's also an event unit that's fairly bulky dps with high UP cost (Maribel is more durable with skill, Elva does more damage). Kojuro is a mob killer like all samurai, just defensive skill unlike the plats