STU48

STU48 (Setouchi48) is a Japanese idol group and sister group of AKB48 named after the Setouchi Region. The group had a shipboard theater (船上劇場, senjō gekijō) from 2019 to 2021. It is co-owned by the tourism board of Setouchi Region and is highly involved in their promotional efforts. The group's captain is Azumi Okada and the vice captain is Akari Fukuda.