Lida is a parent-less girl. She never made it to an orphanage and now she is sure it's too late. She always thought she would do better without it, though. She has an above-average intelligence, and acts much more mature than her age.
You could describe her in one sentence: "She would tell a 20 year old to grow up". She doesn't get along with kids in her class. She doesn't get along with most of teenagers and adults as they think she's just a little kid. But when it comes to friends, she always will help and will have fun talking to them.
Her inner parts. And ragged clothes, yeah, that too.
One hundred percent depends on the RP.