yūki released her seventh single on july 21, 2010. the title track was used as the first opening theme for the anime adaptation, "the legend of the legendary heroes". the single entered the oricon charts five times and reached number 64. the single was an oricon "pick" on their 2010 anime theme songs/summer editorial. she also performed live at the first run of lantis' "rock'n lan carnival" together with sayaka sasaki, yōsei teikoku and hironobu kageyama. yūki released her eighth single, , on october 27, 2010. the title track was the theme song for the ova "armored trooper votoms case;irvine".