Kammala jumla mai zuwa: A ranar 28 ga Janairu, 2018, a Royal Rumble, Asuka ta lashe wasan farko na Royal Rumble na mata, ta shiga a lamba 25 kuma ta kawar da tsohon abokin hamayyarta Ember Moon kuma a ƙarshe Nikki Bella don samun kanta wasan zakarun mata a WrestleMania 34. A cikin watan Janairu da Fabrairu, Asuka ta fara rikici da Nia Jax, wanda ya kai mata hari a lokacin da kafin wasanta kuma yana son damarta ta zama a Wrestlemania. Asuka ta doke Nia Jax a ranar 25 ga Fabrairu a Elimination Chamber kuma a sake a ranar 5 ga Maris a cikin "Raw". A lokaci guda, ta kuma shiga cikin gasar Mixed Match Challenge, tare da The Miz a matsayin abokin aikinta don tallafawa ƙungiyar agaji ta Rescue Dogs Rock. Tare da nasara a kan Carmella da Big E, Sasha Banks da Finn Bálor, Alexa Bliss da Braun Strowman kuma a ƙarshe Charlotte Flair da Bobby Roode, sun lashe gasar. Bayan Flair ya riƙe Gasar Mata ta SmackDown a kan Ruby Riott a ranar 11 ga Maris a
Fastlane, Asuka ta kalubalanci Charlotte don Gasar Mata ta SmackDown a WrestleMania 34. A taron a ranar 8 ga Afrilu, Asuka ya mika wuya ga Charlotte, yana kawo karshen WWE ta rashin nasara a cikin kwanaki 914, ko kusan shekaru 2 da rabi.