Voice actor Inori Minase (Hestia in Is It Wrong to Try to Pick Up Girls in a Dungeon? and Rem in RE:ZERO − Starting Life in Another World ) released her 13th CD single "Summer Challenger" on July 22, simultaneously premiering its music video on her official YouTube channel . The single debuted at number 9 on the Oricon daily single chart . Inori Minase "Summer Challenger" Music Video "Summer Challenger" was written and composed by Sho Yamamoto, who has provided songs to various idol groups such as FRUITS ZIPPER, Dempagumi.inc, and Philosophy no Dance. Minase posted the following comment about the single on her official X (formerly Twitter) : "Summer Challenger is finally out today! I had so much fun working on a single after such a long time! I am itching to sing these three songs in front of everyone soon! Until the live show, please nurture your own "Summer Challenge" while you wait! May the time we spend and the memories we make lead our tomorrow, our future, and our path toward something more and more beautiful! May the summer we ran through become a part of who we are! Let's make this a summer of taking on new challenges! "Summer Challenger" CD jacket "Summer Challenger" also serves as the theme song for "Inori Minase OPEN AIR LIVE 2026 Summer Challenger," which is Minase's first-ever outdoor live concert and will be held on September 12 and 13 at Fuji-Q Hig…