The official YouTube channel for singer-songwriter Riria. started streaming the music video for her new song, "Itsuka Chanto." ("Someday, properly."), which is featured featured as the opening theme for the summer 2026 TV anime The Duke’s Son Claims He Won’t Love Me Yet Showers Me with Adoration . Riria. "Itsuka Chanto." Music Video The Duke’s Son Claims He Won’t Love Me Yet Showers Me with Adoration Creditless Opening Video Riria. made her major debut under TOY'S FACTORY's VIA label in November 2020 and has provided theme songs for Summer Time Rendering (2022), My Happy Marriage (2023, 2025), and Ranma 1/2 (2024). "Itsuka Chanto." first released digitally on July 5, and the five-song EP featuring the track will follow in CD format on August 19. "Itsuka Chanto." digital jacket "Itsuka Chanto. EP" CD jacket Riria. artist photo The Duke’s Son Claims He Won’t Love Me Yet Showers Me with Adoration Trailer The TV anime adaptation of The Duke's Son Claims He Won't Love Me yet Showers Me with Adoration romance fantasy manga created by Kei Misawa (story) Natsu Mizuno (art) premiered in Japan on July 4, 2026. Hitoyuki Matsui directs the anime at animation studios Zero-G and Grass, with series composition by Tomoko Konparu, character designs by Yuko Yahiro and music by Michiru.