"Kimi no Tame ni Dekiru Koto" (君のためにできること,What I can do for you?) is a single released by Gackt on March 14, 2001. It peaked at sixth place on the Oricon weekly chart and charted for eighteen weeks. It is Gackt's fifth best selling single, with 146,770 copies sold. The title track was later covered as an acoustic track for Gackt's Seventh Night album.