Magical Girl's Tailor: He's Not the Strongest, but He Makes Her the Strongest by Tailoring Her Dress

Reborn into another world… but make it fashion! Nijiki, a high school student dreaming of "creating the finest clothes," is granted "costume skills" by a legendary goddess and reincarnated into another world. There, he decides to become a "magician tailor" and enrolls in Merkur Magic Academy alongside Scarlet, a beautiful girl aspiring to be a magical girl...!?