She officially joined Stardom on March 25, 2019.[14] On April 6, Kimura, along with Stella Grey and Sumie Sakai wrestled Jenny Rose and Oedo Tai (Kagetsu and Hazuki) in a dark match at Ring of Honor and New Japan Pro-Wrestling’s G1 Supercard.[15] On April 14, at the 2019 Stardom draft, Hana was named leader of the International Army faction.[16] The faction was renamed, "Tokyo Cyber Squad", on April 21.[17] On May 16, Kimura, along with her stablemates Jungle Kyona and Konami won the Artist of Stardom Championship after defeating Mayu Iwatani, Saki Kashima, and Tam Nakano.[18]