What makes Tachiagirl by Angerme notable?

'Tachiagirl' received significant attention for its energetic sound and positive message, contributing to Angerme's rise in popularity. The song charted well in Japan, further establishing the group as key players in the J-pop scene during the early 2010s. Released on September 28, 2011, 'Tachiagirl' marked Angerme's emergence as a distinctive voice within the J-pop landscape following their rebranding from S/mileage. This single was pivotal for the group as it solidified their identity and presence in the industry after a lineup change in 2011, showcasing their growth and appeal.