The next-generation male idol unit known for its intense dance performances, RUSH300 was originally formed in 2014 and successfully held a solo concert at TOKYO DOME CITY HALL on January 4, 2019. The members are YOCCHI, MASAKI, AOI, and ANDY. Despite facing a dissolution in June 2019 with all members except the original member YOCCHI graduating, the group made a comeback with new members following auditions held in August 2020 as part of the "RUSH300 Large Update Project," aimed at propelling the group to new heights. The group’s music often features themes centered around animals, as seen in songs like "Doggy man" (2019) and "Dark Horse" (2024) integrating animal themes into their costumes and choreography. The resurgence of RUSH300 introduced the song "Better Man" (2021) crafted to reflect the journey and development of the members who endured rigorous auditions. This track emphasizes becoming a better person and forging a new future. An interesting motif in their latest offerings is the use of an owl, symbolizing their fans, which they refer to as "Minerva" in the thematic exploration of their music. The release "Shibuya drug on 20XX" (2024) encapsulates these evolving themes and sounds.