[ren0210989]

she sang Haru Yo Koi on a tv show, along with (i think) 4 other songs. i think she sang one of her songs and the others were by other artists and there was some kind of interview i think...
i have the video somewhere... XD

you can't really call them covers since she sang them only that one time and for the TV show.
it's the same as when she sang roseberry dream when she was a teen/kid.

EDIT: i just saw the video and i have to say that the 2 sisters are AMAZING singers.
they are on a MUCH higher level that ayu as singers. that performance was just awesome and tuching.

EDIT 2: i think she sang RAINBOW and 3 other songs (from other artists)