The phrase "after willingly" is not correct and does not convey a clear meaning in written English.
It may be used in contexts where you want to indicate an action taken after someone has willingly agreed to something, but it requires additional context to be meaningful.
Example: "After willingly signing the contract, she felt a sense of relief."
Alternatives: "after voluntarily" or "following a willing decision".
And the Las Vegas event — complete with glitzy promotions and a race featuring a multimillion-dollar bonus for Wheldon if he could pull off the feat of winning after willingly starting in last position — was going to be Bernard's masterstroke.
The actress believes the love that develops between Belle and the Beast is untainted because Belle retains much of her autonomy after willingly sacrificing herself for her father to go live with the Beast.
After willingly allowing herself to be reinfested on Zerus, Kerrigan is reborn as the Primal Queen of Blades, after which she successfully reunites the Zerg Swarm and storms the Dominion capital of Augustgrad on the planet Korhal with help from Raynor's Raiders.
The woman, the defense said, was angry Rose dumped her after she willingly engaged in sex with him and his friends in August 2013.
What parent, after all, willingly hands their child over to others to get them to Europe in the faint hope that they might be able to join them later?
The market says no — after all, investors willingly buy them.
If everything goes without a hitch, two elected presidents will have left office peacefully and willingly after serving out their constitutionally allotted maximum terms.
After years of willingly outspending most teams, following their title season and the ratification of a new, more restrictive collective bargaining agreement between the players and the owners, the Mavericks decided center Tyson Chandler was not worth his $56 million asking price.
After two characters willingly transfer the curse between them, they share an exchange that could follow almost any adolescent dalliance, supernaturally charged or otherwise: "Do you feel any different?" "Do you?" "No".
On Monday Fox will broadcast the final episode of the eight-year run of "House," an end that was not forced by ratings (which have only recently dropped from hit levels to more modest territory) but comes willingly after the show's originator, David Shore, figured out how to wrap up the series.
After all, who willingly signs up for harassment?
