Boku ga Mitakatta Aozora brings the fifth single. Comes with a bonus Blu-ray featuring a music video for "Koi wa Baisoku" and documentary making-of. Also features the complete version of their traning camp in January 2025 (2 hours, approx.). Comes with a trading card randomly selected from 24 kinds (Design A) and an application code (A) (valid only in Japan).