“Number_i” is a three-piece male group consisting of Sho Hirano, Yuta Jinguji and Yuta Kishi. The group name carries profound meanings like 'Only One' and 'Love'; as well as a message and a commitment towards their fans to walk the journey with them. With the release of their digital single “GOAT” on January 1, 2024, they officially embarked on their new musical journey.