group) is a Japanese quintet boy band formed by Smile-Up on February 18, 2019.

[5] On December 30, 2023, Starto Entertainment announced that it had terminated its contract with Taisei Fukumoto for breaking violation of the company's regulatory compliance.

group A-ttouteki Fan Daikanshasai in Kyocera Dome Osaka ~Minna Honma ni Arigatou~", the group announced their major debut on May 15, 2024, having been informed about it half a year prior by the agency's COO Yoshihiko Inohara and Tadayoshi Okura, who is in largely involved with management of agency's trainees at Kansai region.

Group leader Ken Kojima commented his frustration and hoping he could go back when there was 6 of them, but would do what he had to and continue moving forward with the remaining 5 members.

To commemorate their debut on May 15, the group announced a surprise event in Dotonbori's Tombori River walk at Osaka the day before.

Group will be participating starting unit's second digital single, Sekai o Akaruku Terashimashou (世界を明るく照らしましょう) which was released on September 18.