[Machine Translation] In March 2026, Yusuke Tsukagawa, who had been playing drums as a support member, joined the band as an official member at the " We're not going back to being friends TOUR " performance. The equation of the new Bye-Bye-Hand, which became a complete entity and became more powerful, released a new EP. M5, "Sha-Na-Ya-Sai-Nai! is a bonus track included only on the CD package.