BABYMETAL's performance at Summer Sonic 2015 was a landmark event that highlighted their explosive popularity and dynamic stage presence. Performing at one of Japan's largest music festivals, Su-metal, Moametal, and Yuimetal captivated the audience with their energetic mix of metal and idol music. The set included thrilling performances of hits like "Road of Resistance" and "Gimme Chocolate!!," which were met with enthusiastic crowd responses. Their show at Summer Sonic 2015 not only solidified BABYMETAL's reputation as a must-see live act but also demonstrated their ability to bridge diverse musical genres and cultures, appealing to a wide range of festival-goers.

Le Summer Sonic est un festival de rock japonais fondé en 2000 de deux ou trois jours se déroulant à la fois à Ōsaka et près de Tōkyō. La majorité des groupes jouent à Ōsaka le premier jour et à Tōkyō le lendemain et vice versa. Lors de l'édition 2015, les Babymetal y donnèrent un show au Maishima d'Osaka le 16 aout. Setlist: 1. BABYMETAL DEATH 2. Megitsune 3. Doki Doki☆Morning 4. Awadama Fever 5. Catch Me If You Can 6. Uki Uki ★ Midnight 7. Road of Resistance 8. Gimme Chocolate!! 9. Ijime, Dame, Zettai