Kohaku Sugai

is a girl who is from a very rich family, who later becomes an orphan and gets all the legacy, but gets schizophrenia because she misses her sister so much.
==Appearance==
=== Kohaku===
Kohaku is a pretty purple haired girl who wears a magnolia flower on her hair. She wears a simple white shirt with a red bow and a grey skirt. She wears knee-high black socks and no shoes.
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Aisaka resembles an older Kohaku, or her deceased elder sister of the same name. She has purple hair as well, but with a more pinkish tone. She wears the same clothing and socks of Kohaku.
==Personality==
Kohaku is a very kind and gentle girl who is once from a very rich family. Her parents loved her and her sister is very kind to her. Kohaku has a pet cat named Snowie who she talks to as a friend. Sadly they all died, incurring Snowie, leaving Kohaku alone. 
Kohaku inherited all the legacy, but that didn’t make her feelings better. Everyday she thought of her family and Snowie.
Kohaku got schizophrenia. She imagined a sister, same as her deceased elder sister who is there to protect her and be kind to her. This sister also hid her sad feelings and memories. Snowie came back to live in Kohaku’s imagination.
However, one day, someone asked Kohaku’s second persona why does she look exactly the same as Kohaku. Kohaku explained that she’s just a persona created in Kohaku’s mind because Kohaku misses her parents and sister so much.