Asuka participated in a 50-person gauntlet match at OZ Academy/Manami Toyota Produce Manami Toyota 30th Anniversary, Manami Toyota's retirement show produced by Oz Academy on November 3, 2017, where they were the 19th person to get eliminated.[3] They participated at ZERO1 Dream Series ~ Sozo no Jin, an event promoted by Pro Wrestling Zero1 on March 4, 2018, where they teamed up with Takuya Sugawara to unsuccessfully challenge Masamune and Sugi for the NWA International Lightweight Tag Team Championship.[4] At SEAdLINNNG Grow Together! 2021, an event promoted by Seadlinnng from March 17, Asuka defeated Rina Yamashita to win the vacant Beyond the Sea Single Championship.[5] At ZERO1 20th Anniversary Series ~ Believe 'Z' Road from February 7, Asuka unsuccessfully challenged El Lindaman for both Zero1 World Junior Heavyweight Championship and Zero1 International Junior Heavyweight Championship.[6] Asuka participated at W-1 WRESTLE-1 Tour 2019 W-Impact, an event produced by Wrestle-1 on February 13, where they teamed up with Hana Kimura as FloÜrish to defeat Kaori Yoneyama and Miyuki Takase.[7]