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Anbu, I will give you a screen position breakdown to help you out:
Fullscreen to midscreen: Definitely utilize zoning (all of the guns from assault rifle to the low gun shots) to see how the WoWo player will respond. Try to use ex guns sparingly since you might want meter to push block her away if she gets you hinged up in the corner or etc. Catch dashes with low/high shots to put her in her place and watch out for instant demigoddess which can be used to close the distance quickly.
Midscreen to sweep: Still use guns, but be ready for her approach. D2 and d1 and low guns can be used to beat dashes and if she gets in jump distance, be ready to d2 her. Now her d2 is very solid, but I believe if you do a j3 a certain way from a certain distance you will be able to beat it out ( I will test this more for sure).
Sweep to Close: B1, d1, and d2 will be your friends from these screen to screen positions. Her b2 is definitely an issue, so I recommend utilizing his mbf3/ mbb3 to contend with it or you could be a little risky and try to sword slip it on reaction (but I dnt recommend that haha). Once you are close enough tho, his d2 will be too fast for her b2 or her b1, so definitely dnt be afraid to utilize his d2 since it is very safe.
Close: Blow up her wakeups with neutral jump 3s, mb f3/b3, and etc. Her wakeup game isn't that great, so dnt be afraid to apply some pressure to her, especially if you knock her down in the corner. If you have to wakeup, use sword spin mostly unless they jump, then use sword flip. Now her divebomb setups can prove annoying, so be rdy to deal with those for sure. Her divebomb is like plus six if i'm correct, so she can only do certain normal after it that are fast enough to beat out DS's d1.
Overall, be very patient and pick your spots wisely and you should have success