A double A-side single including "Stardust," a song written for the TBS Sunday Theater drama "GIFT" starting in April 2026, and "Elder flower," the theme song for the film "Hito ha Naze Love Letter wo Kakunoka" starring Haruka Ayase, released on April 17. The Blu-ray contains five songs including "Rashisa," "Make Me Wonder," and "Sanitizer" from "Official HIGE DANdism - one-man tour FOUR-RE: ISM selected from Zepp Nagoya (2026.01.22)," the final performance of the fan club tour held by the four members only until January 2025, as well as the one-man tour FOUR-RE: ISM Special Digest Movie closely following the backstage and each performance of the tour.