SWEET STEADY released their 3rd single "SWEET STEP" in March 2026, and "dance cover" videos went viral again on social media. In April of the same year, they successfully held a two-day 2nd anniversary solo performance at Makuhari Messe. Continuing their rapid advance, with their first performance at Pia Arena MM scheduled for August, SWEET STEADY are selected for their first anime opening theme song! "Kimi ga Waruin Dakara ne" is selected as the opening theme for "Let's Go Kaikigumi"! *This item is manufactured for a limited period until February 28, 2027.