Six Gravity, as part of the promotion for their new single, have become store clerks at the "Animate Store Ikebukuro Main Branch" for a day. Rather than Six Gravity's leader Mutsuki Hajime being today's manager, fellow Senior Group-member Yayoi Haru has been assigned. Haru, who been quite engrossed in his laptop, preparing for this day, has come up with a idea specifically for their project...... Will they be able to pull the event without any problems......? It's finally Gravi's turn to be in Animate!