She was born without a mother and had only one relative in her life: her uncle.
She was always suffering from illnesses until she met her master, a very powerful miracle doctor, when she was 7 years old.
She grew up under her uncle's wings, but her uncle had a lover.
She didn't want to be a light bulb, so she came to Japan alone to find her biological father.
There, she met many teenagers playing tennis and the man in her life. ． ． ． ． ．