For Anons who own Sharpened Stinger
+ Jane + Alice
Here is what I found out.

Alice's EX Special is the usual 100% iframes.
Her EX Normal is spammable, it has ~70% iframes. AND it has a hidden Perfect Dodge mecanism without you needing to press dodge button.
This is incredibly good for Sharpened Stinger.

It means Alice is a suitable heir to Sharpened Stinger.
(you can no longer use Sharpened Stinger for Jane efficiently because she will spend most of the time off field, and you won't have time to activate its stacks if equipped on Jane)

So my advice:
Sharpened Stinger given to Alice. Otherwise it will just rot away.
Weeping Gemini for Jane. It's the perfect off field engine, the onfielder can activate off-fielder's weeping gemini.