Collaborate with 一日 (ichinichi) We create one shirt a day—and we’re always looking for people who understand that intention matters. As a collaborator, you’ll gain access to: ・Affiliate links with commission on every sale ・Occasional gifted products, made to order ・Custom discount codes to share with your community Whether you’re into design, fashion, or simply thoughtful storytelling—we’re here for creative alignment, not just reach. Let’s build something real, one day at a time.