Reincarnated Into Black Butler [As Ciel Phantomhive's Sister]

A female, named Aline De' Leon, was on her way home from work. She was 23 years old and worked at a computer coding company. As Aline walked home, which was along the beach shore, she heard cries for help. Aline looked at the water to see a young girl, only about 4 or 5, quite far into the ocean and out of instincts...