Her name was taken from the Japanese flower,Plum Blossom,which sums up her personality:delicate,pure and lovely.She's a demure young lady whose every move radiates with finesse.She's smart and beautiful,and wow!She's RICH!The only heiress of the wealthy and affluent Daidouji family,Tomoyo is always watched over by her bodyguards and over-protective mother,Sonomi.
Tomoyo is the nightingale of Tomoeda Elem. School and is always asked to join singing competitions with the choir.
She's also very good in sewing.(Like Hel-lo!She sews all those kawaii Sakura costumes ALL BY HERSELF!)
The girl,like Eriol,is very likable and friendly,and never did she brag about her social status.She's very sensitive to others' feelings.She's also generous and kind-hearted enough to make sacrifices just to see her loved ones happy.