Yumi Ueda is Mr. Hiroyasu Ueda
's dead Persocom. He got her because he was not so good at math. He found her in the back of the store with a bargain sign
on her because she was an old model. He got her to do all the math and handle the cash register, but he fell in love with
her and marred her. But soon she started to forget customer orders, and she forgot Mr. Ueda
's name. On a rainy day, Hiroyasu
and Yumi are crossing the street, and Hiroyasu
was going to get hit by a car but Yumi pushed him out the way and got ran over.