Answer
Giulia has won the Wonder of Stardom Championship once. She defeated Mayu Iwatani for the title on January 4, 2023, at Stardom's New Year Stars 2023 event. Giulia's reign lasted for 140 days before she lost the title to Saya Kamitani on May 14, 2023, at Stardom's Golden Week Fight Tour 2023 event.